Buidling Construction 🏢🏨🏦🏛⛪️

Question 1

In physics, the ________ states that the intensity of the thermal radiation is a function of the fourth power of the absolute temperature of the thermal radiation source.

Answer 1

Stefan-Boltzmann law

Question 2

The _______ is widely used in fire protection to establish the required performance standards in building codes. The primary means used to determine a fire resistance rating is to subject the component to be evaluated to the heat of a standard fire in a test furnace

Answer 2

Standard fire resistant test

Question 3

The most commonly used test for determining combustibility is
_______ standard test method for behavior of materials in a vertical tube furnace at 750oc

Answer 3

ASTM E 136

Question 4

A back and fourth effect due to variations in the velocity of the wind

Answer 4

Rocking effects

Question 5

An _______ is a load applied to the center of the cross section of a structural member and perpendicular to that cross section

Answer 5

Axial load

Question 6

Materials with a ______ rating are required in corridors that provide exit access.

Answer 6

Class B (26-75)

Question 7

The most common means for protecting openings through fire rated walls is by the use of ______.

Answer 7

Fire doors

Question 8

A _______ consists of layers of beams placed at right angles to each other that are usually encased in concrete

Answer 8

Grillage footing

Question 9

Wood panel products are graded for their structural use and their exposure durability. A grade stamp appears on the back of a structural panel that indicates its intended structural application and its suitability for exposure to water. The ______ of 32/16 indicates that the panel may be used as roof sheathing on rafters 32 inches apart or as subflooring on joists 16 inches apart.

Answer 9

Span rating

Question 10

The vertical combustible spaces between the studs in________provide a channel for the rapid communication of fire from the floor to floor.

Answer 10

Balloon frame construction

Question 11

The interior of a wood frame building can be finished using a number of materials including ordinary plywood or OSB. Where a degree of fire resistance is required, the ______ materials most commonly used are gypsum board or plaster.

Answer 11

Interior Finish materials

Question 12

A _______ is an extension of a masonry or Steel wall that projects above the roof. Found on exterior masonry walls and fire walls of buildings with combustible roofs. Project from 1 to 3 feet or more above a roof usually without lateral support.

Answer 12

Parapet

Question 13

When a beam transmits a large vertical load to a masonry wall, the wall may be increased in thickness at the point of support with a pilaster to reduce the compressive stresses in the masonry.
_______ in commercial buildings, for example, are frequently supported on pilasters.

Answer 13

Wood roof trusses

Question 14

A collapsing roof may dislodge only a parapet or an entire wall. Firefighters should always assume that if a wall collapses it will fall out from the building a distance _______.

Answer 14

At least equal to the height of the wall

Question 15

A _____ is constructed as a solid arch that may be built up from angles and webs with a cross section similar to that of a beam.

Answer 15

Girder arch

Question 16

A ______ consists of a ceiling material suspended from the supports for the floor or ceiling above. The most common method is to use mineral tiles in a steel framework suspended by wires .

Answer 16

Membrane ceiling

Question 17

When the concrete arrives at the job site, its quality is checked by administering a test

Answer 17

Slump test

Question 18

When precast beams are to be supported by columns, the beams may be supported by ________ cast into the columns. A ________ also known as a bracket, is a ledge that projects from the column and supports the beam.

Answer 18

Corbel

Question 19

Are non combustible and produce fire resistant roof coverings that have excellent resistance to flying brands.

Answer 19

Clay tiles, slate, and cement tiles

Question 20

Is the transfer of heat energy through space by electromagnetic waves

Answer 20

Thermal radiation

Question 21

From a fire protection standpoint, one of the most basic properties of building materials is their degree of ________.

Answer 21

Fire resistance

Question 22

Has been commonly referred to as “ordinary construction”

Answer 22

Type 3

Question 23

The _________ is the product of the weight of the combustibles multiplied by their heat of combustion

Answer 23

Fire load

Question 24

The impact effect the wind has on a surface. This force may be reduced by streamlining the surfaced encountered.

Answer 24

Direct pressure

Question 25

Tends to pull the material apart

Answer 25

Tension

Question 26

Have an intermediate landing between floors and reserve direction at any point

Answer 26

Return stairs

Question 27

The __________ is the most commonly used method for evaluating the surface burning characteristics of materials

Answer 27

Steiner tunnel test

Question 28

When a building is constructed using a structural frame for its main structural support, the exterior wall functions only to enclose the building and is known as a _________.

Answer 28

Curtain wall

Question 29

Three types of joints can be used to join laminated members end to end.

Answer 29

Butt, scarf, and finger joint

Question 30

Ignition temperatures for wood are difficult to measure precisely because the ignition temperature of wood is affected by such variables as the following

Answer 30

Density of wood
Size and form of the wood
Moisture content 
Rate of heating 
Nature of heating source 
Air supply

Question 31

The vertical combustible spaces between the studs in __________ provide a channel for the rapid communication of fire from floor to floor

Answer 31

Ballon frame

Question 32

The mass of a masonry wall is significant to fire personnel because non reinforced masonry walls can _______ when a building becomes heavily involved in fire thus posing a serious safety risk to emergency responders.

Answer 32

Topple

Question 33

Because intersecting masonry walls tend to support each other, the corners of the building or other points of intersection, such as _________ and __________ will be the strongest points in a masonry structure.

Answer 33

Stairwells or elevator shafts

Question 34

The speed with which unprotected steel fails when it is exposed to fire depends on several factors

Answer 34

Mass of the steel members 
Intensity of the exposing fires 
Load supported by steel 
Type of connections used to join the steel members  
Type of steel

Question 35

The single most important factor in determining the ultimate strength of concrete is the _________

Answer 35

Water to cement ratio

Question 36

Has a break in the slope of the roof on all four sides

Answer 36

Mansard roof

Question 37

Are effective against a moderate fire exposure

Answer 37

Class b roof coverings