Fire inspector part 2 Flashcards
What are short, square columns which fail by crushing called?
Piers
The proper way to breach a masonry wall is to open which of the following shaped holes?
Triangular
Steel heated to 1000 degrees Fahrenheit elongates how many inches per 100 feet?
9 inches
Wood joist in masonry walls, which are cut off at angle to permit the joist to fall out of the wall without damaging the wall, is termed as which of the following?
Fire-cut
Lumber less than two inches thick is known as which of the following?
a board
What is lumber that is eight inches or more in its smallest dimension called?
Heavy timber
Masonry buildings with spans greater than how many feet must have interior load-bearing walls?
25 feet
What height is platform-frame construction usually limited to?
Three stories
Firefighters should always be aware of truss construction. What is an important point for firefighters to remember?
Trusses are subject to one point failure
What is used to limit the movement of fire through relatively small concealed passages such as under stairs and inside walls?
Fire stops
Pressure treated wood reduces flame spread. What test is used to measure this?
ASTM-E 84 Tunnel test
Pressure treating wood decreases its allowed load by how much?
25 percent
What are bricks that are laid lengthwise called?
Stretchers
Hallow walls in which withes are tied together with steel ties or masonry trusses are known as what type of walls?
Cavity
Stone which has been cut in rectangular shapes is called which of the following?
Ashlar Masonry
What describes a passageway, usually vertical, that is cut into a masonry wall for a pipe or conduit?
Chase
The fire-resistance rating of combustible floor and wall assemblies of wood and gypsum board are conducted in accordance with which NFPA Standard?
NFPA 251
A device which looks like a big staple and is used to connect girders together is called which of the following?
A dog iron
Which of the following typifies “the best roof”?
One in which the roof beams rest on girders
What is the usual height limit for garden apartments?
3 stories height
Which construction material does not yield heat when its burned in pure oxygen?
Gypsum
What is the fire resistance of floors and walls concerned with?
Resisting the passage of fire and collapse
The length of time that a tested material will continue to perform its structural and/or barrier function when put through a standard fire test describes which of the following?
Fire-resistance ratings
What does the amount of fuel a material contributes to a fire, the smoke a material develops and the rate of fire spreads over the surface of a material describe?
Flame spread ratings
Which of the following is true concerning the tensile strength of steel?
The tensile strength of steel is equal to the compressive strength
What percentage of the tensile strength of steel is the shear strength equal to?
75 percent
A heated steel beam which is not past the point of strain will do which of the following when cooled with streams of water?
it will return to its original shape
The purpose of the top flange of an I-beam is to resist which of the following forces?
Compression
The bottom flange of the I-beam is used to resist which type of force?
Tension
The area between the top of a window and the bottom of the window above it is known as what type of space?
Spandrel space
Small devices designed to keep the rods up off of the surface of the mold in order for concrete to flow underneath the rods are termed as which of the following?
Chairs
Thick concrete pads, usually heavily reinforced, that transfer the loads of piers or columns to the ground are known as which of the following?
Footings
What are steel pipes called that are filled with concrete in order to increase their load-carrying capacity?
Lally columns
What are the thin rods called that are installed near the surface of concrete to help the concrete resist cracking due to temperature changes?
Temperature rods
For any unit area, steel has how many times the compressive strength of concrete?
15 times
False work can represent how much of a percentage of the cost of a concrete structure?
60 percent
A concrete structure is considered to be which of the following during a fire?
A massive heat sink
A major concern with suspended ceilings is the fact that many times, the old highly-combustible tile ceiling that was glued up to the top of the room was not removed. When this happens, carbon monoxide (CO) generation in this void during a fire could be as great as how many times that normally generated from non-suspended ceilings?
50 times as great
What is high-density fiberboard punched with holes called?
Pegboard
Carpeting fires should be fought with which of the following fire streams directed at the carpeted surfaces?
Fog streams
Which NFPA standard is entitled, Method of Test of Surface Burning Characteristics?
NFPA 255
How wide is the test sample for the Steiner Tunnel Test?
2 feet wide
Hazel’s rule states that any exposure in which the concentration (parts per million or pap) multiplied times the exposure time (in minutes) equals which of the following is likely to be dangerous?
33,000
For every cubic foot of oxygen delivered to a fire, how many BTU’s are generated?
537 BTU’s
How much does a typical modern high-rise weigh (in pounds per cubic foot)?
Approximately 8 pounds per cubic foot
An open light well that is a large void and presents a great deal of difficulty in controlling smoke is frequently called by an ancient name. What is the construction called?
An atrium
When the atmospheric temperature is constantly decreasing as height increases, the condition is termed as which of the following? (This will cause the smoke to move up and away from the fire)
Lapse
Which of the following are heavy weights installed high up in a building which is adjusted by computer to counter the wind-induced oscillations?
Tuned-mass dampers
What term is used to describe the movement of air inside a tightly sealed building due to the difference in temperature between the air inside the building and outside the building?
Stack effect
The stack effect is most significant in what type of weather?
Cold
Which of the following describes the connections in a truss?
Panel points
Which type of truss is recognized by the curved shape of its top chord?
Bowstring (arch truss)
The space produced by very deep-parallel-chord trusses is referred to as what type of space?
Interstitial space
A truss with two compression members is called what type of post truss?
Queen
Which of the following types of wood is very prone to shrinkage and warping?
Juvenile
Which of the following would be considered a failure of an entire truss?
Failure of any part of the truss
Tests indicate the early suppression fast response sprinklers can protect rack storage of high density plastics up to how many feet in height without the use of in-rack sprinklers?
25
A sprinkler system does not have to be equipped with a fire department connection if it has less than how many sprinkler heads?
21 sprinkler heads
The fire department should insist on how many feet of clearance between the tops of stacks and the sprinklers?
Three feet
wood’s modulus of elasticity is from _______ to ______ pounds per square inch.
410,000 to 1,240,000
Which of the following is a steel construction member which is a column made of vertical units connected with diagonal pieces?
Lattice columns
The steel beam identification W8x15 represents a wide-flange beam _______
8 inches deep and weighing 15 lbs per linear foot
What is the flame spread range for Class B surface materials
26-75
Flame spread of red oak is __________.
100
At a point one third to one half the height, the flow is reduced to zero; this is called _______
The neutral zone
What is the ignition temperature of carbon monoxide?
1128
An air conditioner on a roof is an example of a:
Dead load
A load of bricks set in the middle of a cantilevered balcony would be an example of:
Concentrated load
A beam that is supported at two ends and rigidly held in place:
Fixed
Euler’s law columns are:
Long thin columns
In a _________ building, the connections are strong enough to reroute forces if a member is removed.
Rigid-framed
The end of the joist is cut off at an angle to permit the joist to fall out of the wall without damaging the wall.
Fire cut
A ____ force tends to pull materials apart.
Tensile
The scale most commonly used for floor plans is
1/4” = 1’
A sketch depicting the general arrangement of the property in reference to streets, adjacent properties, and other important features is known as a _____ plan.
Plot
Thin lines usually drawn at a 45 degree angle to show that material that has been “cut” by the cutting-plane line describes a ___________ line.
Section
___________ can be projected at any angle. Useful when the front views contain more details and features that the side views.
Oblique
______ drawings are drawn with their receding view to the same scale as the front view.
Cavalier oblique
The ______ process is a photochemical process, which uses the effects of both light and chemicals to produce prints which involves ammonia vapors in the developer.
Diazo
A ______ is a line that has an arrow at one end and a text note at the other end.
Leader
They define edges and surfaces that are not visible in a particular view.
Hidden
Is the most realistic of all pictorial drawings.
Perspective
Fire Inspector A states that sections are views showing the building as if it were cut apart. Fire Inspector B states that sectional views taken through the narrow width of an entire building are known as longitudinal sections.
Fire Inspector C states that sectional views taken through the long dimension are known as transverse section. Who is right?
Fire inspector A
This board is attached to the top surface of the foundation wall. (2) serves as a base for the wall frame.
Plate
Drawings used to show the relative position of parts or construction details.
Exploded pictorial drawings
When terminating dimension lines at extension lines which method is becoming most popular?
Slash
Which of the following abbreviations used on working drawings indicate elevation?
EL
A ______ is a work channel set in floor to receive electrical wiring.
raceway
A support for a masonry opening, usually steel angles or special form such as a precast stone or concrete.
Lintel
In the customary system of measurements, the module cube is ____ inches.
4x4x4
Across the short dimension of an object or structure is known as:
Transverse
True or False:
In welding, if the symbol is above the reference line, the weld is placed on the arrow side of the joint.
True
The vertical portion of a stair:
Riser
The written directions issued by architects to establish general conditions, standards and detailed instructions describes:
Specifications
This term, when associated with any dimension of feature, means the dimension or feature applies to the locations that appear to be identical in size.
B. Typical
C. TYP
______ is fine line work, usually angular, giving a “tone” to sectioned surfaces.
Sectional lining
Concrete reaches its load-bearing design strength with _______ days.
28
Type __ mortar has high compressive strength and may be used for underground foundations.
M
A typical roof slope is:
4:12
Some architects set the elevation of a particular point to 100.00 feet. This elevation is sometimes called a(an) :
Assumed benchmark
Standards indicating test procedures used to specific materials were developed by:
ASTM
The diameter of a No. 3 reinforcing bar is:
3/8 inches
If the minimum lap for reinforcing bars is 30 diameters, how long would the splice be for a #4 bar?
15 inches
True of False:
Interior walls of frame construction are dimensioned to their edges and sometimes to their centerlines. Masonry interior walls are dimensioned to their faces, with the wall thickness also dimensioned.
True
Which is not a common type of drawing?
Painting plan
The view taken from directly above the object is knows as the _____ view.
Plan
The ______ is ultimately responsible for complying with the code. They are also responsible for correcting violations to the satisfaction of the AHJ in a timely manner.
Owner & Occupant
The comparative performance of fire travel over the surface of a material when tested in accordance with the provisions of NFPA 255, Standard Method of Test of Surface Burning Characteristics of Building Materials is a material’s _____________
Flame spread rating
________ shall be classified as those that are likely to burn with moderate rapidity or to give off a considerable volume of smoke.
Ordinary hazard
Highly volatile liquid: A liquid with a _______ of less than ______ degrees F.
Boiling point; 68
Fire resistance requirements for exit enclosures connecting 4 stories or more requires a ______ hour fire resistance rating.
2
Door latches shall have a releasing mechanism that is simple and obvious to use and that is no more than _____-in. or less than ____- in off the floor.
48; 34
An occupant load more than 500 but not more than 1000 shall have at least ____ exits.
3
Isolated hazards may be protected by a maximum of ___ sprinklers off the domestic water supply. The supply must be capable of supplying 0.15 gpm/sq. ft. and have a shut-off valve installed.
6
Fire alarm boxes shall be mounted at a height of between ____ ft. and ___ ft.
3.5; 4.5
Apartment buildings with more than three stories or with more than ______ dwelling units shall be protected with a fire alarm system.
11
Seats in an assembly occupancy accommodating more than ____ persons shall be securely fastened to the floor, except where fastened together in groups of not less than 3 and not exceeding seven.
200
An assembly occupancy is building or portion of a building used for gathering together ___ or more persons for such things as deliberation, worship, entertainment, eating, drinking, amusement, or awaiting transportation.
50
A temporary platform can be erected within an area for not more than ___ days.
30
Aisles having a gradient steeper than 1 in 8 shall consist of a/an _____
Aisle stair
Exit drills should be an exercise in _______, not ________.
Management, speed
Storage of LP gas cylinders shall be located at least _____ feet from any doorway or opening in a building or from an automotive fuel dispenser.
20
Which of the following statements is incorrect?
A. A permit shall be obtained at least two working days prior to the placement of a tar kettle
B. 2 approved 20:B; C fire extinguishers within 25 feet
C. Kettles shall not be closer than 10 feet from exits or means of egress
D. An employee, within 50feet, shall have the kettle in sight
D. An employee, within 50ft, shall have the kettle in sight
A college classroom under 50 persons is a ______ occupancy.
Business
Means of egress shall be designed and maintained to provide headroom with projections from the ceiling not less than ___ ft ___in. nominal height above the finished floor.
6;8
Means of egress shall not be permitted through _________
A. Kitchens
B. Restrooms
C. Closets
In new hotels, emergency lighting in accordance shall be provided in all buildings with more than ____ rooms
25
The occupant load factor for a library reading room is ____ net square feet.
50
A compartment provided with two or more doors where the intended purpose is to prevent continuous and unobstructed passage by allowing the release of only one door at a time describes a _________
Sally port
A barrier which is continuous from outside wall to outside wall which continues through concealed spaces above ceilings and interstitial spaces is:
Fire barrier
A buildings with 3 or more living units with independent cooking and bathroom facilities is:
apartment
A container is a storage receptacle with a capacity of _______ gallons or less.
60
A dry pipe system should have a trip test at least _______
annually
A fire will double in intensity with each ____ degree increase in temperature
18
A premise in which the alarm system is monitored directly by the fire department is called _______.
remote station
A rate compensated detector is the same as a ________ detector.
rate of rise
A separate and private contractor monitors several locations and systems is called a _________ system
Central station
A sprinkler head with the frame painted white is rated at __________
175F - 225F
A storage tank is a vessel greater than ______ gallons and fixed.
60
A system which protects buildings belonging to the same owner is a ________
Proprietary
A _____ is an open channel used to run pipes and wiring.
Raceway
A ___________ ties several separate local alarm systems into a central location.
Central station system
According to Brannigan, what describes row houses, town houses, or low-rise, multi-family unites?
Garden apartments
Alarm test and water flow alarm testing on wet pipe sprinkler systems should be performed at least ________
yearly
An alarm system that detects and reports a fire only on the immediate premises is called a ________
local
An alarm test on a dry pipe system should be performed at least ________
monthly
An unpainted sprinkler head is rated at _________
135-175
Any standpipe out of service for a period of time must be charged with air at _________ PSI
25 PSI
Burning wool emits _________-
Hydrogen cyanide
Concrete resists compression and has:
poor shear resistance
Concrete that internal stresses being applied to resist external forces or loading is called _______ concrete
Cast-in-place
Describe the type of system where alarms to different stores of the same proprietor are tied into one location
Proprietary system
Dry standpipes are hydrostatically tested every _____ years
5
Halogenated agents are used in both total flooding and local application systems. Both types of systems require _______ detection equipment for actuation.
Automatic
How often should a dry pipe system be visually inspected?
Weekly
How often should a dry pipe system be trip tested?
Annually
If a decision is to be made on a state, federal, or local law, which would the fire inspector most likely choose?
The most stringent
If a detector is fixed temperature and self-resetting it is probably a ______ type.
Bimetallic
In a zone ________ system the alarm bell will give a constant alarm bell.
Non-coded
In order to give the required pressure at the bottom of a gravity feed tank, the pressure must be at least __________ feet above the highest head.
35
In pumping a sprinkler system, the FD pumpers should develop and maintain a pressure of _______ PSI.
150
Name the 3 main components of a pre-action sprinkler system
Deluge valve, heat detector, sprinkler heads
No two standpipes can exceed _______ feet
550
Potassium bicarbonate is the chemical found in a _______ extinguisher
Purple K
The base of the foundation wall which is wider to provide a bearing surface is a ________
footer
The boiling point of a liquid is that temperature at which a vapor pressure of a liquid is _______ to the external pressure being applied to it
equal
The express purpose of ___________ signaling systems is to conserve life and property
protective
The extinguishing agent known as wet chemical is an aqueous solution of ___________
Potassium carbonate
The minimum water supply for a Class III system is _____ GPM for at least 30 minutes
500 GPM
The most common of monitoring devices in alarm systems for measuring the current flow between two wires is called a _____
resistor device
The plan which provides the largest amount of information about the proposed structure is the ______ plan.
Floor
The requirements established in NFPA 14 specifies that standpipe systems shall be limited to _____ feet in height.
275
The stem on the O.S.&Y valve is ____ when it is open
Out
The type of drawing which is sometimes called a multi-view drawing or an unfolded box is the ________ drawing
Isometric
The vertical stair members that support the hand rails on a set of stairs is called ____________
Balusters
The ________________ is installed between the alarm check valve and the water flow signaling equipment.
retard chamber
Top and bottom horizontal members that run above and below studs are called _____________
plates
Wet pipe sprinkler systems require testing __________
annually
Wet pipe sprinkler systems should be visually inspected __________
monthly
Wet standpipes systems should be inspected every ___________months
6
What are the characteristics of ordinary construction?
Construction where walls are masonry
The highest GPM rating for a horizontal shaft fire pump in use today is ________________ GPM
1500
What are the properties of Gypsum Board and Dry Walls?
Endothermic
What color is a high temperature sprinkler head painted?
Blue
What is a column filled with concrete referred as?
Lally Column
What is a crushing force?
Compression
What is a radiant flux test used for?
Carpet testing
What is the maximum allowable size for an approved safety can?
5 gallons
What is the minimum pressure of a sprinkler head?
15 PSI
What is the missing hydrant color? BLUE - 1500+ GPM \_\_\_\_\_\_ - 1000-1499 GPM ORANGE - 500-999 GPM RED - Below 500 GPM
Green
What temperature rating and classification is a green sprinkler head?
400-475 very extra high
What type of extinguishing agent is recommended for areas of high value sensitive equipment?
Halon
What type of wall can be used as either a load bearing or a non-load bearing wall?
Partition wall
When a beam is supported only at one end it is said to be _________
Cantilevered
The ___________ book lists the hazardous materials by names and four digit numbers
ERG
___________ sprinkler systems are now recognized as the most reliable of all fire protection devices.
Automatic
__________ detectors respond to quick changes in temperature rather than activating at a fixed temperature. They have a small chamber filled with air. If rapid heating occurs however, the air inside the chamber expands.
Rate of rise
Is this statement TRUE OF FALSE? Components of alarm systems include a control panel, alarm initiating devices and power source.
True
Is this statements TRUE OF FALSE? Halogenated agents are used to extinguish fires chemically and also to stop the combustion process itself by breaking the chemical chain reaction. They are not effective on fires involving fuels such as potassium or sodium, or on deep seated class A fires.
True
Is this statement TRUE or FALSE? Halon is rated as being less toxic than CO2
True
Is this statements TRUE or FALSE? Balloon construction is defines as “continuous studs from sill to top plate”
True
Is this statements TRUE or FALSE? Fire resistance rating is defined as “The amount of time a material or assembly of materials will resist a typical fire as measured on a standard time- temperature curve”
True
Is this statements TRUE or FALSE? Lintel is defined as “a beam which spans an opening in a masonry wall”
True
Is this statements TRUE or FALSE? Wythe is defined as “vertical section of a wall one masonry unit thick”
True
Is this statements TRUE or FALSE? Steel is strongest in tension and compression?
True
Is this statements TRUE or FALSE? The three most commonly used sprinkler release mechanisms are fusible link, glass bulb and chemical pellets.
True
A cut to a roof rafter which is used to connect the rafter to the top plate of the wall is called a ___________
Birdsmouth
A _________ of the proper size can make a reliable primary water supply for a sprinkler system.
Gravity tank
A ___________ is a beam which spans an opening such as a door or window.
Lintel
A ______ is an opening in a wall for the release of water from a roof or a floor.
Scupper
A _____________ is the weight superimposed by the use and occupancy of the building, not including the wind load, earthquake load or dead load.
Live load
Alarm tests and water flow tests on wet-pipe sprinkler systems should be performed at least _________.
annually
An indication of what trees and shrubs were to be kept would be found in the ________ plan.
Site/Plot
An _______ load is the load applied to the axial center of a structural member.
Axial
Any condition, material, or act that will contribute to the start of a fire or will increase the extent of a fire is called a ________
fire hazard
Break lines refer to ______
hidden objects
Class B flammable liquids, greases, and gasses put off __________ BTU’s when burning.
16,000
CO2 and dry chemical fire extinguishers are used on what class fires?
B and C
Construction is commonly divided into three major types _________, ___________, and ________
residential, commercial, and industrial
During normal conditions the static pressure above the clapper valve in a sprinkler system is _______ or _______ the pressure below the clapper.
greater than or equal to
