FL Fire Inspector I Study Questions
What is the rating given to the fire stops ability to maintain its physical integrity when exposed to fire and hose streams and to prevent the passage of flame?
The F rating
The Class B Rating Test...
every 1 foot of fuel corresponds to every 1-B rating is based on the principle that an expert can extinguish 2 1/2 times more fire than novice
Rate of rise detectors depend on what?
expansion characteristics of heat it will activate if the temperature rises 12 to 15 degrees per minute
What is a sectional line?
Used in a sectional view to show that the material has been "cut" by the cutting plane; Also called cross-hatch lines
What is used to test a wet system?
opening the main drain valve allowing the alarm to activate - take measurements of the water system: before, during, after and compare the readings
What is the color of the frangible bulb of an ordinary sprinkler head?
orange or red
More firefighters have been killed from what type of construction?
ordinary construction
What type of construction with exterior weight bearing walls has a 1 hour resistive fire rating?
ordinary construction
What type of sprinkler head hangs down?
pendant
A short column with a large cross section in proportion to its length is called a?
pier
What is a short squat column called?
pier
What are the two common types of extinguishing agents in hood systems?
potassium carbonate and potassium acetate
How often are sprinkler systems tested?
quarterly
Standpipe locations..
standpipes are located so any part of the floor is within 130' reach (100' for the hose 30' for the stream) must be located in non-combustible fire rated stairwells
What are the four basic components of a dry chemical extinguishing system?
storage tanks, piping, nozzles and acuating mechanism
What is the internal forces in a building which resist a load?
stress and strain
Bricks laid lengthwise are called what course?
stretcher course
What is the term used to describe the area a building is off the property line required by code?
the setback
When evaluating storage of flammable liquids what is the least important factor?
the size of the container
What is boiling point?
the temperature at which the vapor pressure of the liquid is equal to the external pressure applied to it
What is the difference between interior and exterior plywood?
the type of adhesive used
What is a dead laod?
the weight of the building itself and any equipment attached or built in
What is the pressure in a dry pipe sprinkler system?
15 to 20 psi above the trip point
What is the usual hieght limit for garden apartments?
3 stories
For a building to be classified as an apartment how many units with independent kitchens is needed?
3 units or more
What is the GPM of a horizontal shaft pump?
500-1500 GPM
What is the average GPM of horizontal shaft pumps?
500-1500 GPM
What is a live load?
Fixed or moving weights that are not a structural part of the building (people, furniture)
What type of electrical outlet should be installed in bathrooms?
GFCI and also anywhere water is within 6' 6" in kitchens
What is another name for potassium carbonate?
Wet chemical
Maximum number of stories in a platform framing? A. 3 B. 4 C. 5 D. 6
A. 3
The main common characteristic of ordinary construction is? A. masonry exterior walls B. trussed structural members C. pitched roofs D. steel girders
A. masonry exterior walls
A pillar equal in width to its height is a? A. piling B. girder C. staking D. bonding
A. piling
What extinguishing agent is an aqueous solution of potassium carbonate? A. dry chemical B. wet chemical C. halon D. class k
B. wet chemical
What is a wythe?
Bricks laid so the long side is visible
Fire protection engineers have established ______ as a minimum required residual pressure when computing the available water for a flow test result. A. 5 psi B. 15 psi C. 20 psi D. 25 psi
C. 20 psi
Fire protection engineers have established ______ as a minimum required residual pressure when computing the available water for flow test results. A. 5 psi B. 15 psi C. 20 psi D. 25 psi
C. 20 psi
The height limit of a single sprinkler standpipe system is? A. 150 B. 225 C. 275 D. 315
C. 275
NFPA 13D requires a minimum of 500 gpm for ______ minutes. A. 15 B. 20 C. 30 D. 60
C. 30
How many square feet per person is required in a fitness center? A. 11 B. 40 C. 50 D. 100
C. 50
How many square feet per person is required in fitness centers? A. 11 B. 40 C. 50 D. 100
C. 50
Self-supporting fire walls are most often found in which type of building? A. hospitals B. self storage facilities C. large open industrial facilities D. prisons
C. large open industrial facilities
When the inspection is complete you should? A. immediately return to headquarters B. notify the fire chief C. notify the person in charge of the property D. prepare a written report
C. notify the person in charge of the property
Wood chips glued together to make flat sheets? A. manufactured lumber B. manufactured plywood C. particle board D. smartwood
C. particle board
This plan is used to indicate how a building is situated to other buildings and streets? A. floor plan B. site plan C. plot plan D. elevation plan
C. plot plan
What are hidden lines?
Medium weight and composed of short dashes. They define edges and surfaces that are not visible in a particular view
What NFPA standard covers fire sprinkler systems?
NFPA 13
What type of material is Halon ineffective on?
Self-Oxidizing
Common dry chemical agents are...
Sodium Bicarbonate; Potassium Bicarbonate; Monoammonium Phosphate
For a 4" sprinkler riser how wide must the main drain be?
2"
What is the proportion of liquid to air in a pressurized tank at 75 psi?
2/3 liquid to 1/3 air
What is the minimum distance needed between LPG and other flammable liquid storage tanks?
20 feet
What is the minimum rating of a door into an exit access corridor?
20 minutes
What is the rating for doors in a smoke proof enclosure?
20 minutes
What is the maximum travel distance to an exit in a sprinkler protected education building?
200 feet
How many square feet may a sprinkler cover in a low hazard?
225 square feet
If sprinklers are omitted from a closet, it may not be over what size?
24 square feet
What is the practical limit distance for a simple wood beam floor?
25"
At what height does rack storage require sprinklers within the racks?
25'
In a metric conversion what does 1 inch equal?
25.4mm or 2.54cm
What size basements require sprinkler system protection?
2500 square foot or larger
How many days does concrete take to set to its designed strength?
28 days
What is the minimum distance between above ground flammable or combustible storage tanks?
3 feet
What is the length of time a temporary platform may be erected for in a new assembly?
30 days
In an isometric drawing what angles are the horizontal planes drawn above the horizon?
30 degrees
At what occupant load is a fire alarm system required for assembly occupancies?
300 or greater
When a sprinkler is supplied by a water tank what is the required height?
35' above the highest sprinkler head, the pressure of the tank must be at least 75 psi when the tank is 2/3 full
What is a beam?
A horizontal structure member used between posts, columns or walls
What is a benchmark?
A known elevation of a plot plan
According to NFPA 1 what is a volatile liquid?
A liquid with a boiling point of less that 68 degrees fahrenheit
On a plan what is a schedule?
A list of details or sizes for building components such as doors, windows or beams and done by the architect
What is a chase?
A passageway, usually vertical, cut into a masonry wall for a pipe or conduit
What is a gusset plate?
A piece of metal or plywood used to reinforce a joint of a truss
What is a hip rafter?
A rafter that extends from an outside corner of a building to the ridge board, usually at 45 ° to the ridge
The function of a jockey pump?
A small capacity pump with a slightly higher pressure rating than the main fire pump. Used to maintain pressure in the system.
What is a simple beam?
A wood joist spanning wall to wall
A sprinkler systems air pressure must be maintained at ______ above trip point? A. 15 - 20 psi B. 20 - 25 psi C. 35 - 40 psi D. 45 - 50 psi
A. 15 - 20 psi
A sprinkler systems air pressure should be maintained at ______ above trip point? A. 15 - 20 psi B. 20 - 25 psi C. 35 - 40 psi D. 45 - 50 psi
A. 15 - 20 psi
A water supply must be able to deliver the required volume of water at a residual pressure of ______ at the highest sprinkler head? A. 15 psi B. 20 psi C. 25 psi D. 50 psi
A. 15 psi
A water supply must be able to deliver the required volume of water at a residual pressure of _______ at the highest sprinkler head? A. 15 psi B. 20 psi C. 25 psi D. 50 psi
A. 15 psi
Fire doubles its intensity with each ______ increase? A. 18 degree B. 100 degree C. 212 degree D. 10 degree
A. 18 degree
Water tanks should be filled with ______ and ______ pressurized air? A. 2/3 - 1/3 B. 3/4 - 1/4 C. 1/3 - 2/3 D. 0.5 - 0.5
A. 2/3 - 1/3
A minimum ______ minute fire proof door is required in smoke proof enclosures. A. 20 B. 60 C. 90 D.120
A. 20
Maximum number of stories in platform framing? A. 3 B. 4 C. 5 D. 6
A. 3
Apartment buildings more than ______ stories or with more than ______ dwelling units shall be provided with a fire alarm system. A. 3 - 11 B. 2 - 12 C. 4 - 14 D. 3 - 16
A. 3 - 11
What is the minimum distance off the floor for a fire extinguisher? A. 4 inches B. 14 inches C. 18 inches D. 24 inches
A. 4 inches
Explosives must be packed at least ______ feet from the magazine? A. 50 B. 100 C. 200 D. 250
A. 50
All portable tanks greater than ______ should be treated according to the same standards as fixed tanks? A. 60 gallons B. 120 gallons C. 240 gallons D. 660 gallons
A. 60 gallons
What is the maximum occupant load in a 45x20 dentist office? A. 9 persons B. 19 persons C. 29 persons D. 49 persons
A. 9 persons
What is the maximum occupant load ina 45x20 dentist office? A. 9 persons B. 19 persons C. 29 persons D. 49 persons
A. 9 persons
Which NFPA standard covers extinguishers? A. NFPA 10 B. NFPA 13 C. NFPA 14 D. NFPA 96
A. NFPA 10
Accurate record keeping is a crucial function of any fire prevention bureau. These records provide ______ activities in that jurisdiction. A. a historical perspective of fire prevention B. emergency medical service C. accounts of fire suppression D. fire fighter training
A. a historical perspective of fire prevention
All things being equal, what's the strongest load for a structure? A. axial B. static C. impact D. concentrated
A. axial
The load applied to the center of a structural member? A. axial B. static C. dead D. supported
A. axial
What is the letter-symbol identifier for a class C extinguisher? A. blue circle B. red square C. black box D. gold star
A. blue circle
What is the most appropriate name for a U-shaped structural member? A. channel B. beam C. chord D. lintel
A. channel
Explosives are a ______ hazardous material. A. class I B. class II C. class III D. class IV
A. class I
What type of beam is supported at 3 or more points? A. continuous beam B. pre-stressed C. girder beam D. hanger
A. continuous beam
Fire dampers are usually activated by? A. fusible link B. rate of rise C. clapper D. magnet
A. fusible link
What should also be checked when reviewing HVAC plans? A. heat detector locations B. building exits C. fire suppression system D. exhausters
A. heat detector locations
Which of the following describes a beam that spans an opening in a masonry wall? A. lintel B. header C. girder D. truss
A. lintel
What type of suppression system is used when it is especially important that water damage be prevented even if the sprinkler pipes should break accidentally? A. pre-action system B. wet-pipe system C. dry-pipe system D. deluge system
A. pre-action system
Two types of prestressing concrete? A. pre-tensioning and post-tensioning B. on and off site loading C. pre-cast and post-cast D. pre and post cured
A. pre-tensioning and post-tensioning
Ohms are a measurement of electrical ______? A. resistance B. velocity C. current D. strength
A. resistance
A hazard that arises from processes or operations that are related to a specific occupancy defines ______ hazard. A. special B. common C. expected D. target
A. special
A hazard that arises from processes or operations that are related to a specific occupancy defines ______ hazard. A. special B. common C. expected D. target
A. special
What is the name for strong air flow patterns in vertical shafts in high rise buildings? A. stack effect B. flame over C. inversion layer D. backdraft
A. stack effect
What NFPA standard applies to private water supply for an industrial building? A. NFPA 12 B. NFPA 13 C. NFPA 20 D. NFPA 24
B. NFPA 24
What should an inspector do if he encounters a locked door during an inspection? A. make note of it and move on B. ask the building owner to unlock the door C. try to force entry D. ignore it
B. ask the building owner to unlock it
What type of detector operates on two types of metal that have different heat expansion ratios? A. frangible bulb B. bimetallic C. fusible link D. rate of rise
B. bimetallic
What type of beam is supported only at one end? A. simple beam B. cantilever beam C. girder beam D. continuous beam
B. cantilever
Three common hazardous gasses that are products of combustion include carbon monoxide, cyanide and ______? A. oxygen B. carbon dioxide C. argon D. halon
B. carbon dioxide
This device prevents supplied water from being pumped back into the public water system? A. OS&Y B. check valve C. water hammer D. ball valve
B. check valve
The upper part of a truss is known as? A. beam B. chord C. girder D. 4x4
B. chord
What type of assembly occupancy will handle 101 - 3,000 people? A. class A B. class B C. class c D. class D
B. class B
What type of fire involves flammable and combustible liquids such as gasoline, kerosene and propane? A. class A B. class B C. class C D. class K
B. class B
What class of standpipe is designed for use by the buildings resident? A. class I B. class II C. class III D. class I & III
B. class II
What class of standpipe is used by building occupant only? A. class I B. class II C. class III D. class V
B. class II
Heavy loads located at one point in a building? A. static load B. concentrated load C. eccentric load D. axial load
B. concentrated load
The load of the building and its permanent attached fixtures? A. static load B. dead oad C. live load D. impact load
B. dead load
Which of the following is not a means of egress? A. exit access B. exit passageway C. exit D. exit discharge
B. exit passageway
An OS&Y valve is open when the threads are? A. retracted B. extended C. reversed D. crossed
B. extended (showing)
These plans are shown 42-48 inches above the floor. A. site plan B. floor plan C. plot plan D. mechanical plan
B. floor plan
Thick concrete pads that are heavily reinforced and transfers the loads of piers or columns to the ground? A. girders B. footers C. foundation D. wells
B. footers
A beam that carries the weight of another beam? A. piling B. girder C. footer D. header
B. girder
A bean that carries the weight of another beam? A. piling B. girder C. footer D. header
B. girder
What is the most common type of fire pump used today? A. centrifugal B. horizontal shaft C. direct pressure D. vertical turbine
B. horizontal shaft
Brick veneer on the outside of a wall for aesthetic purposes has what effect on the wall under fire conditions. A. it strengthens the wall B. it weakens the wall the wall C. it has no effect on the wall D. all of the above
B. it weakens the wall
Check valves are used to? A. stop the flow of water B. limit the flow of water to one direction C. reduce pressure fluctuations D. reduce water flow
B. limit the flow of water to one direction
Fire evacuation drills at schools shall be conducted how often? A. weekly B. monthly C. quarterly D. annually
B. monthly
How often should alarms on sprinkler systems be tested? A. weekly B. monthly C. bi-annually D. annually
B. monthly
How often should dry chemical extinguishers be inspected? A. daily B. monthly C. annually D. after use
B. monthly
This type of plan shows how the building is situated in relation to other buildings and streets. A. site plan B. plot plan C. floor plan D. mechanical plan
B. plot plan
If entry is denied, a fire inspector must obtain what document to demand entry? A. notarized letter from the fire chief B. search warrant C. right to inspect form D. administrative letter
B. search warrant (administrative warrant)
A halon system should be inspected? A. monthly B. semi-annually C. annually D. bi-annually
B. semi-annually
What is the covering that is applied directly to studs or framing of a structure? A. finishing B. sheathing C. siding D. veneer
B. sheathing
The difference between interior and exterior plywood is? A. the wood B. the adhesive C. the application D. size
B. the adhesive
If a fire hazard has been reported before inspection you must notify the building occupant? A. the individuals name that filed the complaint B. the nature of the hazard C. the date the hazard was reported D. how long the inspection will take
B. the nature of the hazard
Wood frame construction is referred to as? A. type IV B. type V C. type III D. class B
B. type V
A fire pump for a standpipe system should be run? A. daily B. weekly C. monthly D. annually
B. weekly
How are sprinkler valves kept in the open position?
By a locked chain, by another locking mechanism, or by an electronic detection device
Fire dampers are activated how?
By fusible links
Incinerators for burning trash should be at least ______ feet from any structure. A. 10 B. 12 C. 15 D. 20
C. 15
Plastics when burned produce? A. 8,000 btu B. 12,000 btu C. 16,000 btu D. 20,000 btu
C. 16,000 btu
Stored material should not be stacked closer than ______ to a sprinkler head? A. 12 inches B. 16 inches C. 18 inches D. 24 inches
C. 18 inches
Fire lanes require a minimum clearance width of ______ feet? A. 16 B. 18 C. 20 D. 25
C. 20
Minimum water supply for a class I or III standpipe system is _______ for at least 30 minutes. A. 150 gpm B. 300 gpm C. 500 gpm D. 600 gpm
C. 500 gpm
Minimum water supply for class I or III standpipe system is ______ for at least 30 minutes. A. 150 gpm B. 300 gpm C. 500 gpm D. 600 gpm
C. 500 gpm
Storage containers having a capacity over ______ gallons shall be considered fixed tanks. A. 20 B. 50 C. 60 D. 150
C. 60
What is the maximum travel distance to a class A extinguisher? A. 25 feet B. 50 feet C. 75 feet D. 90 feet
C. 75 feet
What is the maximum travel distance to a class D extinguisher? A. 25 feet B. 50 feet C. 75 feet D. 90 feet
C. 75 feet
Ordinary combustion produces? A. 2,000 btu B. 6,000 btu C. 8,000 btu D. 12,000 btu
C. 8,000 btu
Fire inspectors must ensure that measures are taken to prevent flammable or combustible liquids from accumulating under L.P. gas containers to reduce the risk of? A. blow off B. BLUEE C. BLEVE D. BELCH
C. BLEVE
The NFPA standard for sprinkler systems is? A. NFPA 10 B. NFPA 12 C. NFPA 13 D. NFPA 14
C. NFPA 13
Which NFPA standard covers commercial cooking equipment? A. NFPA 13 B. NFPA 26 C. NFPA 96 D. NFPA 116
C. NFPA 96
Dry and wet pipe alarms should be tested? A. weekly B. monthly C. annually D. bi-annually
C. annually
Dry and wet pipe alarms should be tested? A. weekly B. monthly C. annually D. bi-annually
C. annually
How often should a Halon system be visually inspected? A. weekly B. monthly C. annually D. semi-annually
C. annually
Testing a fixed CO2 should take place? A. weekly B. monthly C. annually D. semi-annually
C. annually
Testing of fixed carbon dioxide systems should be performed? A. weekly B. monthly C. annually D. tri-annually
C. annually
A series of floor opening that connect 2 or more stories not for use such as elevator shaft, garbage chutes, etc is called an? A. scuttle hole B. skylight C. atrium D. vent shaft
C. atrium
NFPA 30 covers what?
Combustible and Flammable Liquids Codes
What type of doors do freight elevators have?
Counter Balanced Doors
Suites in new health care facilities are limited by how many square feet? A. 2,000 B. 5,000 C. 7,500 D. 10,000
D. 10,000
Suites in new healthcare facilities are limited to how many square feet? A. 2,000 B. 5,000 C. 7,500 D. 10,000
D. 10,000
The Steiner Tunnel Test has set a flame spread rating of ______ for red oak. A. 24 B. 50 C. 75 D. 100
D. 100
Dry chemical cylinders must be hydrostatically tested every? A. year B. 3 years C. 6 years D. 12 years
D. 12 years
Dry-chemical cylinders must be hydrostatically tested every? A. yearly B. 3 years C. 6 years D. 12 years
D. 12 years
In a sprinkler protected educational facility what is the maximum travel distance to an exit? A. 75 feet B. 100 feet C. 150 feet D. 200 feet
D. 200 feet
Sprinkler heads may be omitted from closets if they do not exceed? A. 15 sq ft B. 18 sq ft C. 22 sq ft D. 24 sq ft
D. 24 sq ft
A permit for blasting operations is good for ______ days? A. 3 B. 10 C. 14 D. 30
D. 30
In a new assembly a temporary platform can be erected for ______ days? A. 7 B. 10 C. 20 D. 30
D. 30
For fire suppression purposes in a multi-zone standpipe system what is the maximum effective height that a pumper can supply a standpipe? A. 150 feet B. 250 feet C. 300 feet D. 450 feet
D. 450 feet
Fire extinguishers less than 40 lbs should be mounted no higher than ______ from the floor? A. 48 inches B. 3 1/2 feet C. 36 inches D. 5 feet
D. 5 feet
Portable containers have a storage capacity of? A. 20 gallons or less B. 30 gallons or less C. 50 gallons or less D. 60 gallons or less
D. 60 gallons or less
Permits for temporary power supply for holiday lighting are good for? A. 10 days B. 30 days C. 60 days D. 90 days
D. 90 days
What type of valve has an indicator window? A. ball valve B. relief valve C. OS&Y D. PIV
D. PIV
Alarm test and water flow test on wet pipe sprinkler should be performed? A. daily B. weekly C. monthly D. annually
D. annually
All things being equal the strongest for a structure is? A. live load B. dead load C. tension load D. axial load
D. axial load
These detectors are said to be self-resetting. A. rate of rise B. ionization C. fixed temperature D. bimetallic
D. bimetallic
What symbol designates a class C fire extinguisher? A. gold star B. red square C. black diamond D. blue circle
D. blue circle
The upper member of a truss is known as? A. header B. stringer C. lintel D. chord
D. chord
The load of a building and its permanent fixtures? A. axial load B. concentrated load C. static load D. dead load
D. dead load
When a fuel gives off enough vapors so that it can be ignited and burn momentarily, it has reached its: A. fire point B. upper flammability limit C. vapor density D. flash point
D. flash point
A limitation to sand lime mortar is? A. spalling B. it is combustible C. the aggregate D. it is water soluble
D. it is water soluble
Dry chemical extinguishers limitations are? A. can't be used around electronics B. don't work on class c fires C. very difficult to operate D. leave a messy residue that is hard to clean up
D. leave a messy residue that is hard to clean up
Which of the following is property information that is routinely recorded on an inspection report? A. occupant's insurance B. property owners insurance C. local fire marshal D. occupancy type
D. occupancy type
What type of sprinkler head hangs down from its supply pipe? A. frangible bulb B. upright C. deflection D. pendant
D. pendant
The heating of an organic substance without the addition of external heat? A. backdraft B. flashover C. organic combustion D. spontaneous combustion
D. spontaneous combustion
The required residual pressure when computing available water supply in a specific area is ______ psi. A. five B. ten C. fifteen D. twenty
D. twenty
What NFPA standard for the national electricity code?
NFPA 70
Identify a butterfly valve
In a butterfly valve, the gate rotates 90° in the water way. It operates with a ¼ turn and will have a pointer arrow that shows the position of the valve.
The thickness of wood used for fire stopping is what?
No less than 2 inches
What is the hour rating of the roof in a dry cleaning facility?
Not less than 1 hour
Where are notes placed for a welding symbol?
Notes are placed within the tail
What is a common type of indicating valve?
OS&Y - Outside Stem & Yoke
What is a hip jack?
It extends from the top plate of the building to the hip rafter
What is the floor plan?
It is a sectional view taken on a horizontal plane 42" to 48" above the floor
What is a veneer wall?
One made of a single vertical thickness of masonry designed to improve the exterior appearance of the building.
What is a continuous beam?
One supported by 3 or more points
Standpipe systems are needed in buildings where?
It is greater than 75' to the highest occupied floor / large one storied buildings (horizontal system)
What is cold flow?
It is the creeping or sliding apart of the fusible link of a sprinkler head It is caused by the repeated heating of a sprinkler head to near its operating temperature
What is axial load?
It is the force that passes through to the centroid of the section under consideration - an axial load is perpendicular to the plane of the section - a structure will sustain its greatest load when the load is axial
What is a clapper valve?
It opens when the system flows water allowing water from the supply side and also opens the piping to the retard chamber
What is the retard chamber for?
It pre-fills with water during surges prior to allowing water to the electronic alarm thus preventing false alarms.
What is a concentrated load?
Loads located at one point
What is a border line?
Located near the edge of the sheet of drawing paper, used to separate various portions of the drawing.
NFPA placards
P stands for auto-polymerization - blue for health hazards - 0-4 hazard rating 4 being the highest hazard rating
Which drawing is the most realistic view?
Pictorial drawing
What PIV and WPIV stand for?
Post Indicator Valve and Wall Post Indicator Valve
What defines Educational Occupancies?
Used for educational purpose Through 12th Grade By 6 or more persons For more than 4 hours per day or 12 hours per week
What is a check valve?
Used to limit the flow of water to one direction. It is used to prevent the reverse flow of water in the system, prevents it from entering the water system.
What is a draft curtain?
Used to limit the mushrooming effect of heat and smoke
What is an exploded pictorial drawing?
Used to show the relative position of parts or construction detail, used to clarify assembly.
In structural steel a symbol such as W12X16 would mean what?
W - type beam / W - wide flange / I - i beam 12 - the nominal depth of the beam 16 - the weight per linear foot W12X16 - wide flange beam, 12' depth weighing 16lbs per linear foot
What is the clearance required below sprinkler heads?
a minimum of 18" is required to be maintained under the sprinkler measured from the deflector
A booster pump is?
a pump that intakes from a low-pressure municipal main and boosts the pressure to levels required for the fire suppression system
A minute is 1/60th of a degree
a second is 1/60th of a minute
Air is removed rapidly from a dry pipe system by...
accelerator: this rapidly dumps the air into the water side of the system exhauster: this rapidly dumps the air into the outside atmosphere
Which landing have standpipe connections in scissors stairs?
alternating floors
What are the definitions for measure electricity?
amps - measures the quantity volts - measures in pressure ohm - measures in resistance
If a straight line is not running horizontal or vertical, which way is it running?
an incline line
An inspector cannot be held liable for acts they consider necessary to fulfill their responsibilities.
an inspector can be held liable for the manner in which they perform acts
Explain pressure relieving valves
any outlet that may have an outlet pressure greater than 100psi / NFPA 14 requires the PRV limit outlet pressure to 100psi
What two materials is flame spread based on?
asbestos cement board (0 rating) and red oak wood (100 rating)
What should an inspector do before performing an inspection?
ask for permission to inspect the building
What is the symbol for a class C fire?
blue circle
In what ways is steels strength used?
both tension and compression
What is the name of a beam with the shape of a C or U?
channel beam
What type of valve limits the flow to one direction?
check valve
What type of air filter releases little or no gas when subjected to fire?
class 1
What causes heat and smoke to spread upward and outward within a building?
convection
What type of class A fire is halon not very effective on?
deep seated
The three types of fire pump drivers are?
electric motor, diesel motor, steam turbine
In a lodging or rooming house where a sleeping room is above the level of exit discharge the primary means of escape should be what?
enclosed stairway, horizontal exit, exterior stairs or fire escape
What are the 3 parts of egress?
exit access, exit, exit discharge
Proper mounting of extinguishers
extinguishers 40lbs or less may have the top no higher than 5' from the floor / extinguishers more than 40lbs the top may be no higher than 3 1/2' and 4" from the floor
What are three activating devices on sprinkler heads?
fusible link (most common), glass bulb, chemical pellet
What is the name of a beam that supports other beams?
girder
Where is the annunciator panel located within a building?
in an area approved by the AHJ
What 3 things should should an inspectors report do?
inform, analyze, recommend
What are the two common types of smoke detectors?
ionization and photo-electric
Regarding solid piling storage it presents fewer paths for fire development because of?
it contains no horizontal voids / it simply stacks merchandise cartoons or cases directly on top of each other
Regarding parallel perspective drawings...
it is similar to oblique drawings - true shape and size are shown in the front view
What is used to test a wet pipe system to prevent unseating the alarm valve?
it is tested with the alarm bypass valve
What is the spacing distance between tanks storing class I, II or IIIA?
it must be at least 1/6th the sum of their diameters
What happens to marble when subjected to heat?
it turns to chalk
Where on a plan are symbols identified?
legend
What temperature flash point is a flammable rating?
less than 100 degrees 100 degrees and above is combustible
What is the pressure of a low misting operation?
low pressure systems 175 psi or less intermediate pressure system 175 - 500 psi high pressure systems 500 psi or greater
On what plans are the HVAC plans usually shown on?
mechanical plan
Residential sprinkler systems require what size piping and water supply requirements?
minimum of 3/4" piping - may use domestic water supply with a single household shutoff preventing closing the water to the system without shutting household supply also
How often are fire service elevators tested?
monthly
A fire alarm must be in apartment buildings that are?
more than 3 stories and more than 11 units
What are the water supplies for system?
municipal water / gravity tank / reservoir tank with a pump / pressure tank
Do fire escape stairs count as a means of egress?
no
Is a painting a common type of plan?
no
Is carbon steel used for cryogenic tanks?
no
Is plate glass considered safety glass?
no
is a partition wall load bearing?
no
What is the fire resistance rating of an exit door of buildings of 3 stories or less?
not less than 1 hour
Balconies and mezzanines with a load greater than 100 must have how many means of egress?
not less than 2 or same as the number of floors
What are the steps for performing tha main drain test?
observe, open observe, close
How often should extinguishers of 150lbs or less be hydrostatically tested?
once every 12 years, larger ones have no hydrostatic requirements
What type of sprinkler system will not cause damage if a pipe breaks?
pre-action system
What are the two methods of stressing concrete?
pre-tensioning (off site) post-tensioning (on site)
The discharge range of extinguishers is...
pressurized water extinguishers must have a minimum effective discharge range of 30' for a 40 second period / dry chemical and dry powder must have a minimum horizontal range of 10'
What is the color coding and GPM of hydrants?
red: less than 500 gpm orange: 500 - 999 gpm green: 1000 - 1499 gpm light blue: greater than 1500 gpm
What is another term for pictorial drawings?
renderings
The horizontal measurement on stairs is called the?
run
What is fine aggregate usually made of?
sand
What type of door is required for a flammable storage room?
self closing
How often should a halon extinguishing system be tested?
semi-annually
What is the covering over studs called?
sheathing
What is the outer weather surface placed over sheathing called?
siding
Rebar Facts...
the # is that #/8" - #4 is 4/8" - #5 5/8" if splicing by overlapping, divide overall length by the size of the rebar Ex. #4 were specified - length time 4/8 (or 1/2)
Mounting requirements for fire alarm pull boxes are?
the bottom is no less than 3 1/2' from the floor and no more than 5' - the travel distance may not exceed 200' - in multistory buildings there should be at least one per floor
What is the date used for using the in effect code when building a New Occupancy?
the date of plan approval
In regards to a dust explosion...
the first one is usually followed by a bigger one - they happen in sequence
Internal pressures of extinguishers
the pressures vary from 100psi to 850psi
What is needed to stabilize a pre-cast tilt slab wall?
the roof is necessary to stabilize the walls
Most spot welds are specified by what?
their diameter
Orthographic projections are what?
three dimensional
Bottom Chord of a Truss?
under similar tension as a rope
What does NFPA 1031 cover?
Standard for Professional Qualifications for Fire Inspector
What is the name of the test used to rate fire spread?
Steiner Tunnel Test
What is ashlar masonry?
Stone cut in rectangular units
What is stack effect?
Strong air flow patterns in vertical shafts of high-rise structures
halon extinguisher systems
Suited for delicate electrical equipment. Not suited for deep seated Class A fires. The system should be tested semi-annually
What is lintel?
Support for a masonry opening, usually steel or special form, such as pre-cast concrete
What is fire resistance?
The ability of a structural assembly to maintain its load bearing ability under fire conditions.
What is the most critical thing for an inspector to check in a warehouse?
The automatic sprinkler system
What is the discharge size of the inspectors test connection?
The discharge orifice shall be equal in size o the smallest sprinkler in the system
Truss failure
The failure of any part of a truss will cause a failure of the complete truss.
What is a ridge?
The horizontal member at the peak of the roof Upper ends of the rafters are connected to it
What is diameter?
The length of a line running between two points on the circle passing through the center
What is fire load?
The maximum amount of heat that can be produced if all the combustible materials in a given area burn
The exhauster releases air to where?
The outside atmosphere. The accelerator unbalances the air pressure within the system.
What is a bond?
The pattern in which masonry units are laid
What is a mushroom cap?
The tapered extensions at the top of columns which transfers loads from the floor to the column
What is vellum?
The transparent paper original drawings are made on
What are dimension lines?
They extend for length of distance being measured
When should fire pumps be tested?
They should be operated weekly. It should be done by the in-plant managers.
Hydrostatic testing of extinguishers
This should be done every five years for most extinguishers. Dry chemical one less than 150 lbs made with a steel shell should be tested every 12 years
Wet system testing
This should be done monthly. Performed by the in-plant inspector.
What is purpose of the life safety code?
To provide minimum requirements for life and safety from fire and similar emergencies
What is a circuit?
Two or more conductors carrying electricity from the source to the electrical device and returning
What type of mortar is for underground masonry?
Type M
What is the flammability percentage range of carbon monoxide?
12.5% to 74% - ignition temperature is 1128 degrees
What temperature does aluminum melt at?
1200 degrees
How many times stronger is steel than concrete?
15 times
What is the pressure at the highest sprinkler head in the system?
15psi with 7psi residual
To be classified as a dormitory how many people must it provide sleeping accommodations for?
16 or more people
What temperature is an ordinary sprinkler head rated at?
165 degrees
What is the minimum clearance from combustible materials for cooking equipment?
18 inches
How many inches per person for bleacher and grandstand seating?
18 inches per person
NFPA 13D requires what GPM for residential sprinklers?
18GPM
How many days prior to using a tar kettle must a permit be obtained?
2 days
What is the minimum fire resistance rating for enclosures connecting 4 or more stories?
2 hour fire barriers
What fire rating must exposed supports for above ground tanks have?
2 hours or more
What is the upper part of a truss called?
chord
What does veneer do?
It improves the appearance of the building It is non-load bearing
At what temperature does steel begin to fail?
1000 degrees
What is the occupant load factor figuring a library reading room?
50 net per square foot
The generation of carbon monoxide in concealed spaces can be how much greater than in the open?
50 times greater
What is the percentage of fire doors that actually work?
50%
What is the activation temperature of an orange head sprinkler?
500 - 575F the classification is ultra high
Fire load in pounds per square inch
5: slight 10: moderate 11-15: moderately severe 16-20: severe 20+: very severe
What is the maximum height of an ordinary brick bearing wall?
6 stories
What is the minimum height something may project from the ceiling?
6' 8" from the floor
A fixed storage tank is a vessel of how many gallons?
60 gallons or larger
What is the maximum travel distance for a class A extinguisher?
75 feet
What is the maximum travel distance for a class D extinguisher?
75 feet
What is the maximum amount of property a tent may cover?
75%
The smallest diameter heavy timber can be?
8 inches
At what temperature do cold drawn steel cables fail at?
800 degrees
When heated to 1000 degrees steel will expand how much per 100'?
9 1/2" and it fails at 1,000 to 1,100 degrees
Where in a woodworking shop is a fire most likely to occur?
At the dust hogger - the machine that turns scrap into chips or splinters.
Who has the ultimate authority to make changes in fire codes?
Authority Having Jurisdiction AHJ
A 20 foot steel member heated to 1,000 degrees will elongate? A. 0.4 inches B. 1.7 inches C. 2.6 inches D. 3.9 inches
B. 1.7 inches
Steiner tunnel test flame spread rating for red oak? A. 60 B. 100 C. 160 D. 195
B. 100
A fire lane requires a minimum vertical clearance of? A. 12 feet B. 13.5 feet C. 15 feet D. 16.5 feet
B. 13.5 feet
What are the temperature range for sprinkler heads? A. 120 - 440 B. 135 - 650 C. 145 - 550 D. 175 - 770
B. 135 - 650
Partitions, storage and all obstruction should not be within ______ inches of sprinkler heads. A. 6 B. 18 C. 12 D. 24
B. 18
Partitions, storage, and all obstructions should not be within ______ inches of sprinkler heads. A. 6 B. 18 C. 12 D. 24
B. 18
Storage racks exceeding ______ feet in height require sprinklers? A. 15 B. 25 C. 35 D. 40
B. 25
Fire extinguishers greater than 40lbs should be mounted no higher than ______ from the floor? A. 24 inches B. 3 1/2 feet C. 36 inches D. 4 feet
B. 3 1/2 feet
What is the maximum size for an approved safety can? A. 2.5 gallons B. 5 gallons C. 6 gallons D. 10 gallons
B. 5 gallons
What type of assembly occupancy will handle 101-3,000 people? A. Class A B. Class B C. Class C D. Class D
B. Class B
What is the first step in the burning process?
Fuel and Oxygen mixed properly
What are the two types of automatic roof vent designs?
Fusible link (should not be below 300F) and the drop out panel
If an owner displays hostility towards an inspector, they should?
- avoid arguing - if a re-inspection is warranted inform the owner it will be made - it may be necessary to explain the enforcement procedure and appeals process
What are the five categories of heat energy?
- chemical - electrical - mechanical - nuclear - solar
What are the five basic principles of inspecting?
- interaction with people - preparing for the inspection - the inspection - follow up inspections - maintaining the files
The access opening to fire escapes shall not be higher than the floor by how many inches?
12 iches
What are the components of a truss
-The top and bottom members are called chords. -The compressive connecting members are called struts. -The tensile connecting members are called ties. -Connections are called panel points. -Struts, ties, and panel points as a group are called the web.
Proper order to inspect a building is...
-from top to bottom -from bottom to top -follow a specific plan process from beginning to end
Fire apparatus extinguishing needs?
-two rated for class B:C fires - one dry chemical must have a rating of 80 B:C -one CO2 must have rating of 10 B:C -one rated for class A fires - 2 1/2 gallon or larger water can
Basic PSI elevation figure is....
0.43lbs of pressure required to raise water one foot / rule of thumb for FD is 5psi per floor
What are the requirements for spare sprinkler heads?
1 - 300 heads require 6 spares 301 - 1000 require 12 spares 1001 or more require 24 spares
What is the rate of rise for a Class B ramp?
1 foot of rise for every 8 feet of length 1:8
What is the thickness of a trap door for a stage?
1 ½"
What is the orifice opening of a sprinkler?
1/2 inch
Mezzanines can take up no more than ______ of the the total room.
1/3
What is the common scale used for floor plans?
1/4 inch equals 1 foot
How many days notice is required when there is a change of address on a certificate of fitness?
10 days
How much clearance in height and width is required for a public way?
10 feet
In regards to the ordinary household lamp, what are the percentages of light and heat?
10% light - 90% heat
What distance can a rigid beam span?
100 feet
What is the operating pressure of a water extinguisher?
100 psi
Turnstiles exceeding ______ inches shall be treated as revolving doors
39
What type of ID is required for bulk haz-mat storage?
4 digit ID number
What is the maximum travel distance on a landing to reach the stairs?
4 feet
A live fire watch is needed if the fire alarm system is out of service for what length of time?
4 hours or longer
What increments do modular drawings use?
4 inches
What is the egress minimum width for sleeping areas in health care occupancies?
48 inches
In the standard fire test the temperature rises to 1,000 degrees in how many minutes?
5 minutes - then to 1,700 within one hour - this conforms with the time temperature curve
How long will rough cut timber last in a fire?
5 minutes per inch
How many people should be on a board of appeals?
5 to 7 people
What is the distance required between explosives and the unpacking area?
50 feet
What is a means of egress
A continuous and unobstructed way of travel from any point in a building or structure to a public way consisting of 3 separate and distinct parts
What is a Bird's Mouth Cut?
A cut in a rafter to make it fit flush on the top plate. It consists of a plumb cut and a seat cut.
What is a plot plan?
A drawing showing the location of a building on its plot of land and various details of the land. Also called site plan.
What is an atrium?
An opening through a series of floors for the purpose other than an enclosed stairway
Most electrical fires are caused how?
Arcs and overheating
You can use polar solvent foams on hydrocarbon fire but cannot use hydrocarbon foams on polar solvent fires. A. the first statement is true, the second is false B. the second statement is true, the first is false C. both statements are true D. both statements are false
C. both statements are true
A heavy load located at one point in a structure? A. static B. impact C. concentrated D. live
C. concentrated
The most common place for fires in woodworking operations is? A. scrap bin B. band saw C. dust hogger D. sanding table
C. dust hogger
A means of egress is made up of what 3 components? A. exit, evit discharge, public way B. exit access, exit discharge, public way C. exit access, exit, exit discharge D. exit corridor, exit, discharge
C. exit access, exit, exit discharge
An angle cut on a wooden joist to lessen the possibility of collapse during a fire is called a? A. fire stop B. relief cut C. fire cut D. angle notch
C. fire cut
What type of heat detectors are the most reliable and least prone to false alarm but slow to activate? A. bimetallic B. in-line C. fixed temperature D. variable temperature
C. fixed temperature
What type of facility is required to practice emergency evacuation drills? A. assembly B. industrial C. hospital D. storage facility
C. hospital
What type of load is delivered over a short period of time? A. direct B. axial C. impact D. quick
C. impact
A load delivered over a short period of time? A. direct load B. concentrated load C. impact load D. dead oad
C. impact load
What part of a sprinkler system is there to prevent false alarms due to pressure fluctuations? A. check valve B. clapper C. retard chamber D. riser
C. retard chamber
What type of storage presents the fewest paths for fire development? A. rack storage B. horizontal storage C. solid piling storage D. container storage
C. solid piling storage
A load that is applied slowly and remains constant? A. impact load B. dead load C. static load D. axial load
C. static
Occupancies including warehouses, freight terminals, aircraft hangars, parking garages and barns are classified as? A. assembly B. business C. storage D. mercantile
C. storage
Bricks laid lengthwise so that the long side is visible is the? A. header B. lintel C. stretcher course D. ashlar
C. stretcher course
Fire department access should be designed with what in mind? A. the closest responding unit B. the maximum responding units C. the largest responding unit D. the smallest responding unit
C. the largest responding unit
What type of fire pump does not require a water prime? A. shaft driven B. horizontal shaft C. vertical turbine D. negative pressure
C. vertical turbine
What pertinent information should be listed on a building permit? A. building owner B. occupancy classification C. work to be performed D. inspector name
C. work to be performed
Electrical arcs...
Electrical Arcs have caused explosions in many phases of industry. One common cause of electrical arcs is static electricity.
What is a passive fire defense?
Fire Walls and Doors active is a sprinkler system
What are the hazards of dip tank operations?
Fire involving the liquids and explosions and involving vapor and air mixtures
To water flow test a sprinkler system, what is used?
Inspectors test valve
When must apartments have Fire Alarm systems?
When more than 3 stories When more than 11 living units
What is a fire cut?
When the end of a joist is cut off at an angle to permit the joist to fall out of the masonry wall without damaging the wall
What is chipboard?
Wood chips glued together to make flat sheets
Bi-metallic detector
uses two different types of metal that have different heat expansion ratios, formed into thin strips bonded together, one metal expands faster than the other and causes the combined strip to arch when subjected to heat - when arched it opens or closes the circuit sending a signal to the system control unit - is auto resetting but should be check for damage
What will a chase do to a masonry wall?
weaken it
How often are fire pumps for standpipes tested?
weekly
How oftern are pumps tested and run for standpipes?
weekly
What is another name of the solution composed of potassium carbonate?
wet chemical extinguishing agent
What is the BTU generation of wood & paper compared to plastics and liquids?
wood and paper is 8,000 btu plastic and liquids is 16,000 btu
Is exit access permitted through dining rooms and sitting rooms?
yes but not through kitchens or storage rooms
