Bld Construction Questions Flashcards

1
Q

What is the max allowable area of glass in fire doors with 1, 1.5, and 3 hour ratings?

A

100 square inches

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
2
Q

a three dimensional truss structure is called a _____

A

space frame

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
3
Q

What is the primary cause of spalling?

A

The expansion of excess moisture within the concrete when it is either heated or when it freezes.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
4
Q

The strength of wood varies significantly with __, __, and __.

A

Species, grade, and direction of load with respect to grain

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
5
Q

How long does the firing process for bricks take?

A

40 to 150 hours

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
6
Q

Slab and beam concrete framing is __ and is best suited for buildings with __

A

Extremely light weight; light floor loads

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
7
Q

Is a parapet wall only for appearance?

A

No, it can also be required by building code to provide a barrier to the communication of fire between closely spaced buildings

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
8
Q

Allowable compressive strength parallel to the grain varies from __ to __ for commercially available grades and species of framing lumber.

A

325 to 1700 psi; Compressive strength

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
9
Q

What is the slope of a low sloped roof?

A

Less than 3 to 12 pitch

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
10
Q

With Lightweight trusses that are gang nailed the individual members would be wooden __ or __ and individual trusses would be spaced __ to __ feet apart

A

2x4s or 2x6s and 2 to 4 feet apart

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
11
Q

Because roofs are designed for lighter live loads than floors are, it is not unusual for modern flat roofs to __ as personnel walk across them.

A

Deflect or vibrate noticeably

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
12
Q

Is new concrete or old concrete subject to more severe spalling?

A

New concrete

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
13
Q

Why is wood not used for lintels in modern construction?

A

Shrinkage problems

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
14
Q

What is the most common size of asphalt shingle?

A

12x36 inches

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
15
Q

How would a small wood building with no interior finish material be classified under the building codes?

A

Type V-B

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
16
Q

What are the 12 major occupancy classifications used by NFPA 5000 and NFPA 101.

A

Assembly, Educational, Day care, Health care, Ambulatory health care, detention and correctional, residential, residential board and care, mercantile, business, industrial, storage

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
17
Q

When bricks are placed end-to-end they create a __

A

Stretcher course

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
18
Q

Natural and developed terrain features that may complicate access by emergency responders include___(6)

A

Steep slopes, rivers, landscaping, narrow roadways, setbacks, and security barriers

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
19
Q

What interval might nailing strips be placed in cast in place roof decking?

A

Intervals of 3 feet

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
20
Q

Doors with a ___ rating may not be subjected to the hose test depending on their intended application.

A

1/3 hour

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
21
Q

What is the main difference between the designations of enclosure wall and partition walls?

A

Their function; their construction is very similar, but enclosure walls block the vertical spread, and partitions block horizontal.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
22
Q

What is the simplest pitched roof?

A

The shed roof that only slopes in one direction

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
23
Q

Advantages of intumescent and mastic coatings?

A

Lighter weight, durable surfaces, good adhesion, and most aesthetically pleasing

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
24
Q

For glazed windows in fire doors, ___ requires that each piece of glass installed in a fire door has a listing mark that is visible after installation.

A

NFPA 80, Standard for fire doors and fire windows

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
25
Q

Bridge cables can have strengths as high as __

A

300,000 psi

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
26
Q

What are some advantages of using precast concrete? (3 things)

A

Higher degree of quality control, Work can proceed more quickly at the job site, and they can be produced using a polystyrene core

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
27
Q

Lamellas vary from __ to __ and in lengths varying from __ to __ feet

A

2x8 to 3x16 inches; 8 to 14 feet

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
28
Q

Fire resistance describes properties of a material such as _________

A

Combustibility, thermal conductivity, chemical composition, density, and dimensions

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
29
Q

What are the 3 types of joints for glulam beams?

A

Butt, scarf, and finger joints

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
30
Q

Dewatering operations will be necessary because water at a depth of _ inches adds a static load of __ pounds per square foot

A

3, 21

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
31
Q

What is the most commonly used test for determining combustibility? (Standard)

A

ASTM E-136 “Standard test method for behavior of materials in a vertical tube furnace at 750 degrees C”

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
32
Q

What is cellar decking?

A

When a sheet of flat steel is welded to the bottom of corrugated steel decking

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
33
Q

Common structural steel has less than __ of one percent carbon.

A

three tenths of 1% — 0.3%

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
34
Q

How long does it take the flame to travel 24 ft for the red oak floor?

A

5.5 minutes

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
35
Q

What are some examples of fire retardant coatings? (4 things)

A

Intumescent paints, mastics, gas forming paints, and cementitious and mineral fiber coatings

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
36
Q

Corbelling is only used where ___

A

The architectural style makes it attractive

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
37
Q

Building codes usually exclude surface treatments such as paint and wall paper that are no thicker than __

A

1/28th an inch

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
38
Q

Which type of gypsum board is usually required where a specified fire resistance is desired?

A

Type X

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
39
Q

Gypsum has the advantage of being __

A

Nailable; precast concrete can also be nailable with the appropriate aggregate

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
40
Q

For type 1 construction, a code may allow the use of fire retardant treated wood in ___

A

Roofs or interior partitions

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
41
Q

When was ASCE SFPE 29 developed?

A

1997

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
42
Q

Surface coating with a fire retardant mainly is used to reduce ___

A

The flame spread rating

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
43
Q

when a structural support system can support a load equal to or greater than the applied loads, what exists?

A

Equilibrium

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
44
Q

In contemporary practice, the most commonly used insulating materials for steel are (4 things)

A

gypsum, spray-applied materials, and intumescent coatings; sometimes lightweight concrete

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
45
Q

How do most fire retardant chemicals work?

A

By accelerating charring

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
46
Q

The fire resistance of a concrete assembly is affected by the following variables: (5 things)

A

Concrete density, concrete thickness, concrete quality, load supported, and depth of concrete over reinforcing bars

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
47
Q

Course of bricks with the ends of the bricks facing outward.

A

Header course

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
48
Q

Normal design strength of concrete is reached after ___

A

28 days

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
49
Q

Is wood stronger parallel or perpendicular to the grain?

A

Parallel

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
50
Q

The extent of spalling depends on __

A

The amount of excess moisture and the length of time that has passed since the concrete was placed

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
51
Q

Do the vertical members of steel rigid frame buildings need to be rigidly connected to the foundation.

A

No, they can be, but they do not have to be. This will depend on anticipated wind loads

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
52
Q

When did precasting concrete become more common?

A

After WW2

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
53
Q

Particleboard is used for ___

A

Flooring in manufactured and mobile homes

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
54
Q

Wood panel roof decking may have a thickness of __ on supports __ on center.

A

1/2 inch; 24 inches on center

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
55
Q

Light gauge steel joists are produced with depths of __ to __ inches and can be spaced __ to __ apart.

A

6 to 12 inches spaced 16 to 48 inches apart

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
56
Q

What are the formal identifications for the steiner tunnel test

A

ASTM Standard E84 and UL 723

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
57
Q

Beams and columns in steel-frame buildings are connected by one of two methods:

A

Bolting or welding; Riveting was used in the early 1900s but is no longer practical

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
58
Q

The speed at which flame will spread over the surface of a material is referred to as the ___.

A

Surface burning characteristics of the material

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
59
Q

What factors are used to evaluate hazard severity in wildland urban interface?

A

Ground slope, clear space around, water supply, and climate

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
60
Q

Some building codes contain a provision to omit the fire resistive rating for a roof construction for some occupancies when the roof is located more than ___ feet above the floor.

A

20 feet

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
61
Q

Masonry units can be made of several materials, including the following: (7 things)

A

Brick, Terra cotta, Concrete block, Stone, Clay tile block, Gypsum block, Glass

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
62
Q

With interior framing of masonry buildings, travel of fire through the floor and ceiling spaces should be anticipated just as with wood frame construction, especially where __

A

Truss joists are used

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
63
Q

factors that influence fire behavior include ___(4)

A

Basic building classifications, occupancy classifications, fire or fuel load, fire resistance

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
64
Q

NFPA 256

A

Standard method of fire tests of roof coverings; also designated ASTM E-108

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
65
Q

Two commonly encountered applications of the basic steel truss are __

A

Open web joist and the joist girder

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
66
Q

Rafters are the standard supports used in __ style roofs, although trusses can also be used for these roof types. (5 types)

A

shed, gable, hip, gambrel, and mansard style roofs

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
67
Q

The ___ test is the only method currently universally accepted by building codes.

A

E-119 (NFPA 251)

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
68
Q

Lamella arch roofs have been used for occupancies such as __ (3 things)

A

Gymnasiums, exhibition halls, and auditoriums

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
69
Q

Firewalls can be constructed either as ___ or as ___.

A

Freestanding walls or as tied walls

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
70
Q

Letter classifications for fire door openings - Class A

A

Opening in fire walls

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
71
Q

How much carbon does cast iron have?

A

3 to 4%

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
72
Q

The firefighter must understand that the behavior of steel under fire conditions depends on __ and __

A

The mass of the steel and the degree of fire resistance provided.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
73
Q

__ are designed to create extra living space and allow additional light into the structure.

A

Dormers

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
74
Q

Flame spread rating for veneered woods

A

515 (approx)

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
75
Q

building construction and occupancy classifiactions are used together in building codes to establish___________

A

limitations on the permissable heights and open areas of the buildings

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
76
Q

What is the most common size of concrete block?

A

8x8x16

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
77
Q

Can louvers be installed in any fire door?

A

No, only doors that are listed for the installation of louvers

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
78
Q

What are the three general categories of membrane roofs?

A

Built up roof membranes, single-ply membranes, and fluid-applied membranes

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
79
Q

LVL is made from __

A

The outer portions of the log

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
80
Q

An intumescent material will expand __ to __ times its original volume

A

15 to 30 times

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
81
Q

The use of a membrane ceiling (drop ceiling) can provide a floor and ceiling assembly or a ceiling and roof assembly with af fire rating of __ to __ hours

A

1 to 3 hours

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
82
Q

How do fire doors differ from oridinary doors?

A

Construction, Hardware, and automatic closures

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
83
Q

What are the six test procedures in the NFPA 256 test?

A

Intermittent flame exposure test, burning brand test, flying brand test, rain test, weathering test, and spread of flame test

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
84
Q

What is the application thickness of intumescent materials?

A

0.03 to 0.4 inches

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
85
Q

Floor construction for type 1 construction is required to have fire resistance of ___

A

2-3 hours

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
86
Q

With simple frame, the joints are designed primarily to support a __

A

Vertical force

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
87
Q

Are concealed spaces permitted between structural members in Type 4 construction?

A

NO

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
88
Q

The height of the parapet of a firewall above a combustible roof is determined by the building code and varies from ___

A

18 to 36 inches

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
89
Q

What is the range of compressive strength for mortar?

A

75 psi to 2,500 psi

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
90
Q

For type 3 construction, interior structural members including walls, columns, beams, floors, and roofs are permitted to be __

A

Partially or wholly combustible

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
91
Q

Asbestos sidings were commonly used from the __ until the __

A

1930s to 1970s

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
92
Q

sources of vibration on a structure include:

A

Natural, wind and seizmic, building related, ventilation system motors, or external, vehicular traffic, trains

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
93
Q

What is a safety reason for coloring concrete?

A

When it is placed over buried electric cables

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
94
Q

_____ and ______ trusses are the most common types used for pitched roofs

A

Fink and Pratt

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
95
Q

Which style of roof are the easiest for firefighters to work?

A

Flat roofs

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
96
Q

Underwriters Laboratories annually publishes a ___ , which lists assemblies that have been tested and their fire resistance ratings

A

Fire resistance directory

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
97
Q

the pressure exerted by the soil against the foundtation is known as the ____, whereas the force of the foundation against the soil is known as the _____

A

active soil pressure, passive soil pressure

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
98
Q

If the height of the wall above the opening is shorter than the height of the triangular section, it is assumed that the lintel must ___

A

Support the entire weight of the masonry above the opening.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
99
Q

What is the design function of the curtain wall?

A

To separate the interior environment from the exterior environment

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
100
Q

A geodesic dome can be constructed from __ (6 things)

A

Wood, steel or concrete as well as plywood, bamboo, and aluminum

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
101
Q

An intumescent material will __ when heated (3 things)

A

Char, foam, and expand

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
102
Q

The outward thrust of the rafters is resisted by __ or __ that are in tension.

A

Ceiling or attic floor joists or collar ties

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
103
Q

fire resistance describes several properties of a material, including____(5)

A

combustibility, thermal conductivity, chemical composition, density, dimensions

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
104
Q

Codes limit the max smoke developed to ___

A

450

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
105
Q

How are fire resistance ratings expressed?

A

In hours and fractions of hours

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
106
Q

How many layers of roofing felt is a common design for built up membranes?

A

FOUR layers

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
107
Q

What is fire resistance a function of? What are material properties related to fire resistance? (5 properties)

A

The properties of all materials used, including combustibility, thermal conductivity, chemical composition, density, and dimensions.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
108
Q

Flame spread rating for treated douglas fir plywood

A

15-60

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
109
Q

Can single ply membranes accommodate for shifting in a building?

A

Yes because it stretches

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
110
Q

concrete has a high ____ strength, but low ____ strength

A

compressive, tensile

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
111
Q

what is the vertical shaft in which the elevator car travels, and includes the elevator pit?

A

Hoistway

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
112
Q

Usually, louvers in doors are closed by means of a ___

A

Fusible link

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
113
Q

The drainage layer of a roof can be __ (3 things)

A

The ballast layer in a single ply roofing system, a drainage fabric, or the aggregate used in a built up roofing system

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
114
Q

The building process begins when a developer or project owner perceives _____

A

a need

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
115
Q

Some structures, such as certain churches and mansions, have roofs with slopes of __ or greater. Too steep to work from a roof ladder.

A

18/12 or greater

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
116
Q

The butterfly roof is a roof style that slopes in two directions – basically two shed roofs that meet at their __

A

Low eaves

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
117
Q

Freestanding walls must be designed to resist a lateral load of at least ___

A

5 pounds per square feet

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
118
Q

types of fire-retardent coatings availiavle include:(4)

A

Intumescent coatings, mastics, gas-forming paints, and cementitious and mineral fiber coatings

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
119
Q

Flame spread rating for gypsum wallboard

A

10-15

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
120
Q

NFPA 5000

A

Building construction and safety code

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
121
Q

The top of the steel rigid frame is known as the __ and the point where the inclined members meet the vertical members are known as the __

A

Crown; knees

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
122
Q

Particleboard can be manufactured in sizes up to ___

A

8 by 40 feet

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
123
Q

What are some unique causes to wood that make it vulnerable to deterioration? (3 things)

A

Insects, Decay, and shrinkage

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
124
Q

Laminated members can be produced in depths ranging from ___ to ___ and lengths up to.

A

3 to 75 inches, lengths up to 100 ft

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
125
Q

Flame spread rating for mineral acoustic tile

A

15-25

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
126
Q

A variety of techniques, such as __ can be used to connect precast structural elements. (3 things)

A

Bolting, welding, and posttensioning

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
127
Q

Building codes generally allow an increase in the flame spread rating of interior finish materials in buildings equipped with __

A

An automatic sprinkler system

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
128
Q

A property of a given column, known as its ____ is used in combination with the condition of the column end to determine the load that can be safely supported without buckling

A

Slenderness ratio

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
129
Q

Firestopping can consist of various materials including ___ (5 specific things)

A

2 inch nominal lumber, gypsum board, cement fiber board, batts or blankets of mineral wool, glass fiber, or other approved materials

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
130
Q

Where might impact resistant gypsum board be used?

A

Correctional or school facilities, made with fiber glass mesh

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
131
Q

What are the two attributes that building classifications are based on?

A

materials used in construction and the fire resistance ratings required for the structural components

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
132
Q

Beam and girder steel frames can be classified as __, __, or __.

A

Rigid, simple, or semi-rigid

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
133
Q

Will fog corrode a metal roof?

A

YES

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
134
Q

When a mansard roof is constructed with a flat deck on top it may be called

A

a modern mansard or deck roof

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
135
Q

Fire resistance is __

A

The ability of a structural assembly to maintain its load bearing capacity and structural integrity under fire conditions

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
136
Q

What are metals used to cover horizontal sliding doors? (3 things)

A

Steel, galvanized sheet metal, and terneplate (tin and lead composite)

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
137
Q

Letter classifications for fire door openings - Class D

A

Openings in exterior walls subject to severe fire exposure from the outside of a building

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
138
Q

Masonry units have no significant __

A

Tensile strength

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
139
Q

In gabled rigid frames, the top of the rigid frame is known as the ____ and the points where the inclined members intersect the vertical members are known as the _____

A

crown, knees

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
140
Q

In many applications such as residential and small commercial buildings, wood joists or beams simply rest on the masonry wall in an indentation known as a ___

A

Beam pocket; a metal strap may be provided to function as a horizontal tie between the masonry and the end of the beam.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
141
Q

How are the fire ratings of roof coverings classified?

A

Class A (severe fire exposure), Class B (moderate), Class C (light)

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
142
Q

Joint systems for floor to wall and wall to wall connections are tested in accordance with ___

A

UL standard 2079 “Standard for Fire Tests of Joint Systems”

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
143
Q

Firefighters should always assume a masonry wall will fall out a distance at least equal to

A

1.5 times the height

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
144
Q

Do wood shingles have the be nailed to a solid deck?

A

No, they can be nailed to an open deck with wood strips which may cause early failure in a fire

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
145
Q

Corrugated steel used in roof decking ranges from __, the thinnest to __ , the thickest.

A

29 gauge to 12 gauge; the overall depth varies from 3/4 to 2 inches

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
146
Q

How large can the individual particles in particleboard be?

A

1 inch

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
147
Q

Are prestressed or ordinary reinforced concrete systems more vulnerable to failure?

A

Prestressed

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
148
Q

ASCE/SFPE 29 standard is limited to use with what materials? (5 things)

A

Structural steel, plain and reinforced concrete, timber and wood, concrete masonry, and clay masonry

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
149
Q

Tilt up walls can be __

A

Several stories high

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
150
Q

When can the IRC - residential code govern over the IBC?

A

One and two family dwellings not more than 3 stories

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
151
Q

What are the flame specs for the steiner tunnel test?

A

5000 BTU flame

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
152
Q

What is the effect called where concrete will absorb heat from a fire and then slowly release it after the fire is extinguished?

A

Heat sink effect

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
153
Q

building codes require a minimum of one ________ for stairs serving buildings five stories or higher.

A

smokeproof stair enclosure

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
154
Q

The flanges of an I-beam can be made of __ or __.

A

Laminated veneer lumber or solid wood lumber

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
155
Q

What is a designation for high strength steel?

A

A242

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
156
Q

NFPA 220

A

Standard on types of building construction

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
157
Q

Low density fiber materials for spray applied materials are not suitable for __

A

Exterior use; Use materials that have densities greater than 20 lb/cu ft

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
158
Q

At what temperature does pyrolysis begin?

A

Somewhere below approx. 392 degree F

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
159
Q

How are light gauge steel joists produced?

A

From Cold rolled steel

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
160
Q

Heat Release Rate definition

A

Total amount of heat produced or released per unit time. the heat release rate is typically measured in kilowatts or megawatts of output

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
161
Q

When a structural specimen is tested, the test is continued until ___ or ___

A

The specimen fails or the specified time for which the specimen being tested is reached

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
162
Q

When was light frame construction introduced to the united states?

A

in the 1830s

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
163
Q

unique stresses are caused by external load alignments including _____(3)

A

axial, eccentric, and torsional loads

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
164
Q

The __ style roof has a break in the slope of the roof on all four sides. It forms a projection beyond the building wall that creates a concealed space through which a fire can travel

A

Mansard roof

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
165
Q

Tied fire walls are erected at a ___

A

Column line in a building of steel frame or concrete frame construction

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
166
Q

LVL finds application in ___.

A

I-Joists and beam sections 1 3/4 to 3 1/2 inches thick

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
167
Q

Balloon framing has not been widely used since __

A

the 1920s

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
168
Q

The hip roof slopes in __ directions and has a degree of slope similar to the gable roof

A

Four directions

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
169
Q

Dimensional lumber is available in lengths from __ to __ feet

A

8 to 24 feet

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
170
Q

Do some building codes provide exceptions for the parapet portion of a firewall?

A

YES

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
171
Q

Which type of roof usually has a more complex roof covering, flat or pitched?

A

Flat, because they drain more slowly

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
172
Q

The minimum dimensions for floor joist construction in Type 4 would be __

A

nominal 6 x 10

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
173
Q

In contemporary practice, when a building is to be more than __ or __ stories tall, the use of a steel or concrete structural frame is usually more economical than erecting a nonreinforced masonry bearing wall

A

Three or four stories

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
174
Q

Masonry walls usually collapse as a result of ___

A

The collapse of the interior wood framing

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
175
Q

ll stair types have basic components in common, the step has ___ and the ____, commonly referred to as the run and rise.

A

tread and riser

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
176
Q

Another term for rated assembly is ___

A

Labeled assembly and fire rated

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
177
Q

Doors rated at ___ are normally required for 2 hour rated vertical enclosures

A

1.5 hours

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
178
Q

What are the two methods to perform quality control of concrete?

A

The slump test or the compression test

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
179
Q

If bricks are placed vertically on end, a __ is created

A

Soldier course

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
180
Q

What type of connection is designed to resist the bending forces resulting from the supported loads and lateral forces?

A

Rigid frame connections

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
181
Q

The standard test fire assumes an ___ and ___ to produce increasing temperatures.

A

Endless fuel supply and adequate ventilation

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
182
Q

Slab and beam framing is sometimes referred to as __

A

Concrete joist construction

183
Q

A technique known as _____ may be used to shorten the construction time by overlapping the design and construction phases

A

fast-track construction

184
Q

By using reinforced masonry, it is possible to construct load-bearing masonry walls to a height of __ having a wall thickness of only __

A

10 stories or more; 12 inches

185
Q

The exterior veneers of plywood have their grain oriented in the __ of the sheet.

A

Long dimension

186
Q

Why are firewalls not popular with designers?

A

They increase structural costs, may interfere with the free movement of ocupants or material, they are achitecturally unattractive in occupancies where an expansive interior is desired

187
Q

A ___ may be used with masonry construction to provide additional support where beams exert additional force.

A

Pilaster

188
Q

A door hold-open device can be used with __, __, or __ fire doors

A

swinging, sliding, or rolling

189
Q

Wood rafters vary in size from __ to __ and can be spaced from __ to __ inches apart.

A

2x4 to 2x14 inches and 12 to 24 inches apart

190
Q

Metal roof coverings make use of several materials including __ (6 things)

A

galvanized or painted sheet metal, copper, zinc, aluminum, and lead

191
Q

The point at which unprotected members in type 2 construction fail depends on the following factors: (3 things)

A
  1. Ceiling height of the building,
  2. Size of the unprotected steel members,
  3. Intensity and duration of the exposing fire
192
Q

What are the two broad categories for the roof coverings on pitched roofs?

A

Shingle and metal roof coverings

193
Q

What are the primary points of failure for fire resistance testing? (4 things)

A
  1. Failure to support an applied load
  2. Temperature increase on the unexposed side of wall, floor, and roof assemblies of 250 degree F above the ambient temperature
  3. Passage of heat of flame through the assembly sufficient to ignite cotton waste
  4. Excess temperature on steel members
194
Q

The speedwith which unprotected steel fails when it is exposed to a fire depends on several factors, including the following: (5 things)

A
  1. Mass of the steel members
  2. Intensity of the exposing fire
  3. Load supported by the steel
  4. Type of connections used to join the steel members
  5. Type of steel
195
Q

THe most widely used model building code in the us is the _______ published by _____.

A

international building code(ibc), international code council(icc)

196
Q

The wear course may also consist of __ when the roof is used for pedestrian traffic

A

Deck pavers

197
Q

Nonveneered panel products include __, __, and __.

A

OSB, particleboard, and waferboard

198
Q

If an unrestrained steel beam 20 feet long were heated from 70 to 1000 degree F, it would expand __

A

1.4 inches

199
Q

IBC building classification H?

A

High hazard

200
Q

Are particle board panals single layer or multiple layer?

A

Can be both

201
Q

The foam plastic in SIP panels is usually __

A

Expanded polystyrene

202
Q

A flat roof usually consists of several component layers such as __ (6 things)

A

A vapor barrier, thermal insulation, roofing membrane, drainage layer, and wear course, roof decking

203
Q

What increases the strength and toughness of steel?

A

Vanandium

204
Q

For safety purposes, building codes require __ or __ in skylights

A

wired or tempered glass; they can also be plastic domes

205
Q

What does portland cement consist chiefly of?

A

Calcium and aluminum silicates

206
Q

Brownstone is a form of __

A

Sandstone

207
Q

What designation is type 4 construction?

A

2 H H

208
Q

What is the structural fire resistance requirement for II-A construction?

A

One hour; type II-B is unprotected with no rating

209
Q

What are the most common types of SFRMs?

A

Mineral fiber or expanded aggregate such as vermiculite and perlite

210
Q

What five material properties is fire resistance a function of?

A

Combustibility, Thermal conductivity, chemical composition, density, and dimensions

211
Q

Actual size of a 4x4

A

3.5x3 9/16

212
Q

What must the fire resistance be between a daycare and a restaurant in the same building?

A

2 hours

213
Q

The usual requirement is for an attic space to be divided into area of ___.

A

3000 square feet

214
Q

A geodesic dome is created using __

A

Spherical triangulation

215
Q

Classifying buildings according to occupancy facilitates the ___

A

Administration of a code

216
Q

Skylights are sometimes provided with __ to facilitate normal building ventilation

A

operable glass panes

217
Q

The difference between wood shingles and shakes is in their __

A

method of production

218
Q

What are frequently supported by pilasters?

A

vertical beams in a masonry wall

219
Q

Roofing slate weighs approx __

A

8 to 36 lbs/sq ft

220
Q

What is defined as the total amount of thermal energy that could be released if the fuel were completely burned.

A

Heat of combustion

221
Q

Does the E-119 test evaluate flame spread?

A

NO

222
Q

The floors in light wood framing are supported by __, __, or __.

A

Solid joists, truss joists, or wood I-joists

223
Q

Allowable tensile strength of wood is about __

A

700 psi tensile strength

224
Q

With precast concrete, solid slabs are used for short spans up to approx. __ while the tee slabs can be used for spans up to __.

A

30 feet; 120 feet

225
Q

The layer of earth required for a rooftop garden can vary from __

A

a few inches to 1 or 2 feet

226
Q

Are the conditions for passing a furnace test for door assemblies as rigid as fire rated walls?

A

NO

227
Q

The required fire resistance of curtain walls depends on the ___

A

Separation distance between buildings and the building occupancy

228
Q

In general, columns used for structural support in buildings should not have a slenderness ratio greater than __

A

120

229
Q

Parallel strand lumber is made from the outermost veneers peeled from a log that are not as uniform as those used in LVL. These veneers range from __ to __ feet in length and produce odd-shaped strands that are coated with an adhesive and cured under pressure.

A

2 to 8 feet

230
Q

Single vertical row of multiple rows of masonry units in a wall, usually brick.

A

Wythe

231
Q

Roofing slate can be split as thin as __ although it may be as thick as __

A

1/16 inches; 1-1/2 inches

232
Q

The type of roof covering used depends on the __ (4 things)

A

Form of the roof structure, the slope of the roof, the local climate, and the appearance desired

233
Q

Wood planks for roofs will have a minimum __ nominal thickness.

A

1 inch

234
Q

Steel beams and trusses supported by a masonry wall are examples of __

A

Simply supported systems

235
Q

Curing fresh concrete requires correct __ and __

A

Hydration and temperature control

236
Q

Today, heavy timber wood frame construction is encountered primarily where it is desired for ___

A

Appearance

237
Q

Wood I-beams are frequently used for __

A

Floor joists; also used for rafters in the framing of roofs.

238
Q

Who publishes the international wildland urban interface code?

A

ICC(international code council)

239
Q

What is the hardness of brick dependent on?

A

The soil used in its composition

240
Q

How are single ply membranes attached to the roof? (3 ways)

A

By adhesives, gravel ballast, or mechanical fasteners

241
Q

Actual size of a 2x6

A

1.5x5 5/8

242
Q

What is the primary criterion for door assembly acceptance?

A

The door must remain in place

243
Q

Bricks are produced from a variety of locally available ___

A

Clays and shales

244
Q

How are pitched roofs classified?

A

Low slope and medium to high slope roofs

245
Q

What is the flame spread rating of thermoplastic composite lumber?

A

80

246
Q

Does the presence of tie rods mean that a building has undergone repair?

A

Not necessarily, the tie rods may have been part of the original construction

247
Q

Balloon framing has the advantage of ___

A

Minimizing the effects of lumber shrinkage that can occur over time as the lumber dries and loses its moisture content

248
Q

Roofing slate can have a life expectancy of __

A

150 years

249
Q

What can the vapor barrier be made of? (4 things)

A

plastic, aluminum foil, kraft paper laminated with asphalt, asphalt saturated roofing felt

250
Q

Support of the masonry over an opening is accomplished by the use of a __, __, or __.

A

Lintel, an arch, or corbelling

251
Q

factors that influence a building’s condition at any given time include_____(4)

A

older codes, materials, construction methods, maintenance over time

252
Q

Cold rolled steel is used for members that have a __

A

Thin cross section, such as floor and roof decking and wall studs.

253
Q

What is the primary difference in an inverted roof from a flat roof?

A

The location of their main roof beams

254
Q

What are frequently used at the connection points for heavy timber trusses?

A

Steel gusset plates with through bolts

255
Q

Some single family homes can be as close as __ apart

A

18 inches

256
Q

Is structural lightweight concrete or ordinary concrete a better insulator?

A

Structural lightweight because it has a lower thermal conductivity; however it is not used for load bearing members

257
Q

With slab and beam concrete framing, the slab can be as thin as __

A

2 inches

258
Q

A door operator is intended for use with __

A

sliding fire doors

259
Q

Ignition temperature of wood is affected by the following variables: (6 things)

A

Density of the wood, size and form of the wood, moisture content, rate of heating, nature of the heating source, and air supply

260
Q

The IBC permits combustible structural members to be framed into a masonry or concrete fire wall from opposite sides provided there is a ___ separation between the ends of the structural members.

A

4 inch

261
Q

An admixture known as a __ can be used to produce a mixture that flows more freely.

A

Superplasticizer

262
Q

Tilt up walls can support several types of roof including __ (4 things)

A

Timber beams, precast slabs, steel beams, and steel trusses

263
Q

An arch can be constructed from __ (3 things)

A

Masonry, laminated wood, or steel

264
Q

Steel arches can be constructed to span distances in excess of __

A

300 ft

265
Q

Asphalt shingles are __

A

Fundamentally combustible

266
Q

High strength steels, like those used in prestressed concrete, have lower yield point temperatures than can be around __

A

752 degrees F

267
Q

What are the three methods steel members can support floors in multistory buildings?

A

Open web joists or trusses, steel beams, and light gauge steel joists

268
Q

What measures the visual obscurity for the smoke developed rating in a steiner tunnel test?

A

A photoelectric cell and a light source at the end of the tunnel furnace

269
Q

Non-reinforced masonry walls are usually limited to a maximum height of around __

A

Six stories

270
Q

Platform framing is also called ___

A

Western frame construction

271
Q

Can the NFPA 286 test handle materials that may not remain in place?

A

Yes

272
Q

These shingles produce a rustic appearance and may be more resistant to wind damage than asphalt shingles.

A

Wood roof shingles and shakes

273
Q

What can the ultimate compressive strength of concrete vary from?

A

2,500 to 6,000 psi

274
Q

The basic properties of steel are as follows: (4 things)

A
  1. Strongest of the building materials,
  2. Non-rotting, resistant to aging, and dimensionally stable,
  3. Consistent quality due to controlled industrial process used in its manufacture,
  4. Relatively expensive, but strength and qualities enable it to be used in smaller quantities than other materials.
275
Q

How can master streams weaken mortar?

A

Either from the pressure of the stream or from the flushing effect of water

276
Q

ASTM Standard for testing fire doors.

A

ASTM E-152, same as NFPA 252

277
Q

What is a corbel?

A

Also known as a bracket, is a ledge that projects from the column and supports the beam

278
Q

Lintels are frequently __ but also can be __ or __.

A

Steel beams; reinforced concrete or reinforced masonry

279
Q

measures indicated in building codes to protect stair enclosures includes_______(4)

A

limited penetrations in the enclosure for light, fire protection, and environmental control, required self or automatic closing fire rated doors, separation from the rest of the building, stairway vestibules

280
Q

Gypsum consists of approx. __ percent entrapped water.

A

20%

281
Q

It is very important that supports and hangers be installed __ application of SFRMs

A

Before

282
Q

Nfpa identifies 12 major occupancy classifications, they are ____-

A

Assembly, educational, day care, health care, ambulatory health care, detention and correctional, residential, residential board and care, mercantile, business, industrial, storage

283
Q

____ subdivide a building into smaller areas to limit the maximum spread of fire

A

fire walls

284
Q

Curtain walls are often constructed using a combination of __, __ or __

A

Glass and steel, stainless steel, or aluminum. They may also be constructed of lightweight concrete, plastic, fiberglass, and a variety of metal panels with core materials such as expanded paper honeycombs and compressed glass fiber

285
Q

Wood shingles and shakes in north america are made from __, __ or __.

A

red cedar, white cedar, or redwood because they resist decay

286
Q

fire spread is often expressed in terms of _____ through two methods, ____ and ____

A

heat transfer, convection, thermal radiation

287
Q

What are the most common types of stone used in construction? (5 types)

A

Granite, limestone, sandstone, slate, and marble

288
Q

The fire load is the ___

A

Product of the weight of the combustibles multiplied by their heat of combustion

289
Q

What are load bearing masonry walls constructed of? (3 options)

A

Brick, concrete block, or a combination of the two

290
Q

In type 3 construction it would not be uncommon to use __ joists for floor construction

A

nominal 2 x 10

291
Q

What are the standard intervals for fire resistance ratings?

A

15 min, 30 min, 45 min, 1 hour, 1.5 hour, 2 ,3, 4 hour

292
Q

Wood shingles are installed in an overlapping method so that only about __ of the length of shingle is actually exposed to the weather.

A

One-third

293
Q

Before a ________ is issued, the proposed design must meet the applicable building code’s provisions.

A

building permit

294
Q

Generally in type 1 construction, bearing walls, columns, and beams are required to have a fire resistance of ___ hours.

A

2-4 hours

295
Q

Loss of equilibrium can lead to _____

A

partial or total collaps

296
Q

NFPA 251

A

Standard Method of tests of fire endurance of building construction materials. Also designated as ASTM E-119

297
Q

What is the fire resistance rating of enclosure walls?

A

1-2 hours, depending on the height of the building

298
Q

___ can prove troublesome for firefighters because they can provide a means of vertical communication of fire from ___

A

Light shafts; window to window

299
Q

Letter classifications for fire door openings - Class B

A

Openings in vertical shafts and openings in 2-hour rated partitions

300
Q

For the NFPA 256 test, the individual test procedures may be repeated from __ to __ times on different samples depending on the material tested

A

2 to 15 times

301
Q

What is the approx. yield point for A36 structural steel?

A

36,000 psi

302
Q

Is it more dangerous to cut reinforcing steel in pretensioned or post tensioned concrete?

A

Post because the steel is not bonded to the concrete

303
Q

The windows of sawtooth roofs should ideally face __ because the light is more constant and the glare of the sun can be avoided

A

North

304
Q

What are the most common style trusses used for pitched roofs? (steel and wood)

A

The Fink and Pratt style

305
Q

Monitor roofs were once very commonly used on __

A

Factory buildings

306
Q

When and where were the earliest fire tests in the US conducted?

A

Denver 1890 and New York 1896

307
Q

A kiln used to fire bricks will have temperatures up to ___

A

2400 degrees F

308
Q

Building codes typically allow elimination of fire walls when a building is equipped with an automatic sprinkler system if it meets criteria for __, __, and __.

A

Occupancy, height, water flow during fire conditions, and other code requirements

309
Q

What is the most commonly used method of determining fire resistance?

A

Laboratory testing

310
Q

_______ bearings placed in a layer between the building and the foundation can reduce shear forces from earthquakes

A

elastomeric

311
Q

What temperature are ingots brought to when rolling steel into shapes?

A

2200 degrees F

312
Q

Where might a mixed construction situation be found?

A

Where a different type of structure is built into an existing one

313
Q

The speed of flame spread is influenced by: (4 things)

A

The composition, orientation, and thickness of the material, ventilation, the shape of the space in which the material is installed, and whether the finish material is applied to the ceiling or wall

314
Q

Which NFPA is a large scale test developed for evaluating the fire performance of textile wall coverings?

A

NFPA 265 Standard methods of fire tests for evaluating room fire growth contribution of textile coverings on full height panels and walls

315
Q

What is the IBC NFPA 286 acceptance criteria? (how do you pass the room corner test?) (5 things)

A
  1. Noting whether or not the flames spread to the ceiling of the test chamber
  2. The flame cannot spread to the outer extremity of the sample
  3. Flashover cannot occur
  4. The peak rate of heat release cannot exceed 800 kW
  5. A maximum amount of smoke released
316
Q

The hardware used on wood swinging fire doors is referred to as either ___ or ___

A

Builders hardware or fire door hardware. Fire door hardware is normally shipped with the door where builders hardware can be shipped separate.

317
Q

In NFPA 220 each classification is designated by a ___ number code.

A

Three digit

318
Q

What two standard materials are steiner tunnel test results used as comparison?

A

Asbestos cement board (0) and red oak flooring (100)

319
Q

The forces that are initially applied in the prestressing process are ___ than the forces theoretically needed to support the concrete and the applied loads.

A

Slightly higher

320
Q

How long do built up roofs usually last?

A

20 years

321
Q

What are the two main methods of fire retardant treatment?

A

Pressure impregnation and surface coating

322
Q

Name 4 locations where fire stopping is required per building codes.

A
  1. Within stud walls at the ceiling and floor levels,
  2. At the connection point between vertical stud wall spaces and horizontal spaces
  3. Between stair stringers,
  4. Behind fascia and other achitectural features
323
Q

What are typical sizes of single ply membrane material?

A

Sheets 10 or 20 feet wide and up to 200 feet long with thin thickness of 0.03 to 0.10 inches.

324
Q

What are the three styles that roofs can be classified into?

A

Flat, pitched and curved

325
Q

Letter classifications for fire door openings - Class C

A

Openings between rooms and corridors having a fire resistance of 1 hour or less

326
Q

What are reasons for fire door failure? (3 things)

A

Damage to the door closure, the door itself, or door guides

327
Q

Flame spread rating for walnut-faced plywood

A

171-260

328
Q

Type 4 construction was used extensively in ___ in the __ and __ centuries.

A

Factories, mills, and warehouses; 19th and early 20th centuries

329
Q

Steel rigid frames usually are used for spans from __ to __ feet.

A

40 to 200 feet; for steel rigid frame buildings

330
Q

Actual size of a 6x6

A

5.5x5 5/8

331
Q

Roof deck fire resistance for type 1 construction

A

1-2 hours

332
Q

The applied fireproofing can vary from __ to __ inches to produce a fire-resistive rating of 1 to 4 hours

A

7/8 to 1-7/8 inches

333
Q

Steel arches can be designed as either __ or __.

A

Girder arches or trussed arches

334
Q

A very common application of precast concrete is in the construction of __

A

Parking garages

335
Q

Curved clay tiles are known as __

A

mission tiles

336
Q

In the standard fire test, the furnace temperature is regulated to conform to a ___

A

uniform time-temperature curve

337
Q

Hardening of concrete involves a chemical process known as __

A

Hydration

338
Q

If the architect desires to leave the underside of the roof exposed without joists, a ___ must be used to support the rafters.

A

Structural ridge beam

339
Q

Fire doors can be found in industrial buildings dating back to the ___

A

End of the 19th century

340
Q

Medium to high slope roofs have slopes of __ to __.

A

4/12 to 12/12

341
Q

What are the three products that fall under the structural composite lumber category?

A

Laminated veneer lumber, parallel strand lumber, and laminated strand lumber

342
Q

The __ roof slopes in two directions, but there is a break in the slope. They are functional because the space created can be used for attic or living space.

A

Gambrel

343
Q

The style of a pitched roof is determined by __ (3 things)

A

Climate, function, and aesthetic considerations

344
Q

When lightweight concrete is used for floors in steel frame buildings, what is the minimum thickness of the concrete?

A

2 inches

345
Q

In addition to classifying building by construction type, building codes classify buildings by their ___

A

Occupancy

346
Q

Shakes are split from the wood either by hand or by machine and are __

A

thicker than shingles; shingles are sawn from pieces of a tree trunk

347
Q

common support systems for beans include____(5)

A

Simply supported, restrained beams, cantilever beams, overhanging beams, continuous beams

348
Q

When and where were the earliest known building material tests conducted?

A

1884-86 in Germany

349
Q

Unprotected steel has ___

A

No fire resistance

350
Q

Steels for special application, such as those used in bridge strands, have strengths as high as ___ but have very little ductility.

A

300,000 psi

351
Q

What is included on the label for fire doors? (3 things)

A

Door type, hourly rating, and the identifying label of the testing laboratory

352
Q

SFRMs

A

Spray applied fire resistive materials

353
Q

elevators can be classified according to their use____(3)

A

passenger elevators carry people, freight elevators carry resources that my be bulky or heavy, service elevators are passenger elevators designed to also carry freight

354
Q

Most structural lumber has a moisture content of ___

A

19 percent or less

355
Q

four common styles of elevators are____

A

drum elevators, intended for passenger use, traction elevators, intended for passenger use, machine room-less elevators, intended for passenger use, and dumbwaiters, intended for cargo use

356
Q

The connection of a beam to a column not only transfers loads between members but also __

A

Determines the rigidity of the basic structure

357
Q

Reinforcing steel in concrete should generally not be cut unless __

A

It is necessary to rescue trapped victims

358
Q

Most mortar is produced from a mixture of ___ (4 things)

A

portland cement, hydrated lime, sand, and water

359
Q

Of the 3 types of glue joints, which one cannot be used to transmit tensile forces?

A

Butt joint

360
Q

A common type of sliding door is a __

A

metal covered wood core door

361
Q

What are some materials used for fluid applied roof membranes? (4 things)

A

Neoprene, silicone, polyurethane, and butyl rubber

362
Q

NFPA 286

A

Another room corner test. “Fire tests for evaluating contribution of wall and ceiling interior finish to room fire growth”

363
Q

What additive is added to steel to increase strength?

A

Molybdenum

364
Q

Type 3 construction may also be called

A

Exterior protected

365
Q

Are intumescent coatings or SFRMs thicker?

A

SFRMs

366
Q

A monitor roof is designed to provide __ and __

A

Light and ventilation; similar to an exaggerated lantern roof

367
Q

Waferboard has been largely replaced by __

A

OSB

368
Q

The openable windows of a monitor roof are known as __

A

Clerestories

369
Q

What is the standard jointly created by ASCE and SFPE for the calculation of fire resistance for structural elements?

A

ASCE/SFPE 29

370
Q

Ordinary construction is also known as __

A

Masonry, wood joisted—type 3

371
Q

IBC building classification I?

A

Institutional

372
Q

Normally, assemblies are not tested beyond ___ because this is the maximum time required by the building codes.

A

Four hours

373
Q

Internation building code occupancy classifications are ___(10)

A

Assembly group A, Business Group B, Education group E, factories group f, high hazard group h, institutional group i, mercantile group m, residential group r, storage group s, utitlity and misc. group u

374
Q

Fire resistance ratings for floor and ceiling assemblies are developed for both __ and __ assemblies.

A

Restrained and unrestrained because the end restraints affect the extent to which an assembly may expand or rotate

375
Q

Name 7 types of concrete.

A

Ordinary stone, structural lightweight, insulating lightweight, gypsum concrete, high early strength, expansive, and water permeable

376
Q

Spray applied cementitious materials have densities varying from __ to __

A

15 to 50 lb/cu ft

377
Q

In type 1 construction, combustible materials typically are permitted for such uses as the following: (9 things)

A

Roof coverings, interior floor finishes, interior wall finishes and trims, doors and door frames, window sashes and frames, platforms, nailing and furring strips, light-transmitting plastics, and foam plastics subject to restrictions

378
Q

Fire resistance tests are classified as either ___ or ___.

A

Load bearing or non-load bearing

379
Q

NFPA 101

A

Life safety code

380
Q

Horizontal layer of individual masonry units

A

Course

381
Q

The IBC allows fire retardant treated wood in non load bearing partitions where the required fire resistance is __

A

Two hours or less

382
Q

What is the highest rating of a fire door?

A

4 hours

383
Q

Letter classifications for fire door openings - Class E

A

Openings in exterior walls subject to moderate or light exposure from the outside

384
Q

columns are not primarily designed to withstand ____ stresses.

A

bending

385
Q

In flat slab concrete frames the slab varies in thickness from __ to __ inches

A

6 to 12 inches

386
Q

What are three dimensional space frame steel trusses also referred to as.

A

Delta trusses

387
Q

If the heavy wood members have not been exposed to prolonged fire, it is possible to ___

A

Sandblast away the charring and continue their use after a fire

388
Q

___ doors which are used infrequently, are especially subject to damage

A

Overhead fire doors

389
Q

The fire resistance of a masonry wall depends on the __ and the __

A

Type of masonry units used and the thickness of the wall

390
Q

How many layers in OSB?

A

3 to 5

391
Q

when the _____ is reached the steel undergoes a pronounced deformation. Finally, the steel breaks at the ________

A

yield point stress, ultimate stress

392
Q

If concrete is vibrated excessively as it is placed in the forms, __

A

Segregation of the aggregate results; the coarse agg goes to the bottom and the water and cement rise to the top

393
Q

Are platform or balloon frame buildings easier to erect from a construction standpoint?

A

Platform

394
Q

What kind of truss has all chords and diagonal members in the same plane?

A

A common truss, also known as monoplane truss

395
Q

Material is generally considered trim as long as it does not exceed __ of the wall and ceiling area and is distributed throughout the space so that it does not constitute a large continuous surface.

A

10%

396
Q

Can CRS studs be used for exterior bearing walls?

A

YES

397
Q

stresses within a material are classified according to the _____ of the force. (3types)

A

direction. Tension, compression, shear

398
Q

The 1/2 and 1/3 hour doors are primarily used in ___

A

Smoke barriers and openings to corridors

399
Q

Deflection and vibration of flat roofs is an indication of __

A

Lightweight roof construction

400
Q

What are the three methods to determine fire resistance?

A
  1. Laboratory testing
  2. the development of mathematical models based on data collected during nonstandard testing 3. the use of statistical data to determine probability of fire resistance based on standard test results.
401
Q

ASTM Standard 1529

A

Standard test methods for determining effects of Large hydrocarbon pool fires on structural members and assemblies

402
Q

What is a drawback to the use of masonry?

A

Laying individual units is labor intensive, and long term deterioration of mortar joints

403
Q

When round bars are used for the diagonal members, the open web truss is known as a __

A

Bar joist

404
Q

Open web joistsare mass produced and are available with depths of up to __ and span up to __. More frequently sized?

A

6 feet and 144 feet; However, more frequently found with depths less than2 feet and spans of 40 feet

405
Q

An unprotected, noncombustible building ___ to provide structural stability under fire conditions.

A

Cannot be expected

406
Q

The slenderness ratio is a number that compares the __ to the __

A

The unbraced length of a column to the shape and area of its cross section. The higher the number, the more likely buckling will occur.

407
Q

With flat slab frames, in a building that will have heavy live loads, the area around the columns is reinforced with additional concrete in the form of __ or __

A

Drop panels or mushroom capitals; If there are light loads and these are not needed the system is known as flat plate

408
Q

when a building encompasses multiple construction classifications, what classification should the building be considered?

A

should be considered to meet the Lesser construction classifications

409
Q

Building codes require ___ in the attic spaces of combustible construction.

A

Draft stopping

410
Q

Ideally a shear wall should be continuous from the foundation of the building to the __ (semi-rigid frame)

A

Highest story at which it is needed

411
Q

Building codes permit the use of fire retardant treated wood for certain application in ___ and ___ construction

A

Fire resistive (type 1) and non combustible (type 2)

412
Q

Curtain walls must also be designed to control __, __, and __.

A

Heat loss, limit noise transmission, resist environmental loads, and limit solar radiation

413
Q

High density SFRMs that use magnesium oxychloride have densities ranging from __ to __

A

40 to 80 lb/cu ft

414
Q

Which of the three Structural Composite Lumber (SCL) products is the strongest?

A

Parallel strand lumber (PSL); used for heavily loaded columns and long spans

415
Q

Explain the three digit number code

A

1st digit fire rating in hours of exterior bearing walls
2nd digit fire rating of structural frames or columns and girders that support loads of more than one floor
3rd digit fire rating of floor

416
Q

What direction is the typical light slope of a flat roof?

A

Typically from front to rear

417
Q

What are the two techniques used to reinforce concrete?

A

Ordinary reinforcing and prestressing reinforcing (prestressing is classified for both pretensioning and posttensioning reinforcement)

418
Q

Vertical reinforcing bars are known as __ and are provided to __

A

Stirrups; resist the diagonal tension

419
Q

What are the two types of light wood framing?

A

Balloon framing and platform framing

420
Q

Laminated strand lumber is produced by taking long strands of wood up to __ in length and bonding them with a resin in a steam pressing process.

A

12 inches; LSL is typically used for short-span beams and columns

421
Q

In addition to the hollow block, concrete masonry units can be produced as either __ or as __

A

Bricks or as solid blocks

422
Q

A bowstring truss assembly uses __ at all joints except the heel plates located at the ends of the truss.

A

Split ring connectors

423
Q

Dead load for a green roof can vary from __

A

20 to 150 lb per square foot

424
Q

Swinging fire doors are available with ratings of ___ to ___

A

1/3 hour to 3 hours

425
Q

What is provided to prevent vertical reinforcing bars from buckling?

A

Lateral reinforcing around the vertical bars

426
Q

The inner core of a SIP panel can be up to __ thick.

A

1 foot

427
Q

The failure point temperature of steel will depend on __

A

the application of the component

428
Q

The behavior of a roof supported by an arch is basically determined by the __

A

Material from which the arch is constructed

429
Q

Does the steel in a concrete beam only resist tensile forces?

A

No, it can also be used to support some of the compressive forces and also resist bending forces

430
Q

What makes trusses vulnerable to early failure under fire conditions?

A

The reduced mass and the interdependence of components

431
Q

What are the two most common ways of constructing Type 1 buildings?

A

Using reinforced concrete or a protected steel frame

432
Q

More architecturally spectacular curved roofs can be created using __ or __

A

Geodesic domes or Lamella arches

433
Q

Where are freestanding fire walls usually found?

A

in buildings of Type III or V construction, although they may also be used in other types of construction including type II

434
Q

Swinging fire doors with ratings up to ___ can be equipped with louvers.

A

1.5 hours

435
Q

What increases steels resistance to abraison?

A

Manganese

436
Q

Bar joists are frequently used in __

A

Closely spaced configurations for the support of floors or roof decks

437
Q

Is the heat released from concrete after a fire enough to reignite combustibles?

A

NO, but it can make overhaul uncomfortable

438
Q

On the basis of strength to unit weight, wood has a tensile strength comparable to __

A

steel; although this is reduced for wood due to defects

439
Q

What type of nails should be used for metal roofs?

A

Nails that are the same metal as the metal sheeting to prevent galvanic action

440
Q

Where do shear stresses develop in flat slab frames?

A

Where the slab intersects the supporting columns

441
Q

The most common sheathings are ___ (4 things)

A

Plywood, OSB, particle board, or exterior gypsum sheathing

442
Q

What is the sample size for a NFPA 256 test?

A

3 feet 4 inches by 4 feet 4 inches

443
Q

Curved roofs are most frequently supported by __ and __

A

Arches and Bowstring trusses

444
Q

Does concrete resist insects and effects of soil contact?

A

yes

445
Q

What are the dimensions of the steiner tunnel test?

A

25 ft long, 17 and 1/2 inches wide, and 12 inches high

446
Q

Heavy timber framing uses columns not less than __

A

8x8 inches

447
Q

How often must a brick veneer exterior be tied to the wood frame of a wall?

A

Intervals of 16 inches

448
Q

What is the single most important factor in determining the ultimate strength of concrete?

A

The water to cement ratio

449
Q

What is the most common single ply membrane material?

A

A synthetic rubber material, ethylene propylene diene monomer (EPDM), other materials are PVC and CPE

450
Q

For most brick sizes, three courses of brick plus the intervening mortar joints equals a height of __

A

8 inches

451
Q

The short lamellas are bolted together in a diagonal pattern with a special plate known as a __

A

Lamella washer

452
Q

Many type 5 structures are required to have a ___ rating for the structural members.

A

1 hour; this is typically accomplished with plaster or gypsum

453
Q

For the standard time-temperature curve, a temperature of ___ is reached in 5 minutes and ___ at 30 minutes. At one hour the temperature is ___.

A

1000; 1550; 1700 all in degree F; 1850 at 2 hours, 2000 at 4 hours, 2300 at 8 hours