Building construction
When preforming vertical ventilation on a roof, firefighters should be aware that a photovoltaic cell that is fire damaged:
A. no longer poses a risk
B. can still continue to produce electricity
C. should be treated the same as if it were disconnected
D. is less dangerous to firefighters than a broken solar skylight
B. can still continue to produce electricity
For flaming combustion to occur, fuels must be:
A. in the liquid state
B. in the gaseous state
C. a solid with a low surface-to-mass ratio
D. a solid with a high surface-to-mass ratio
B. in the gaseous state
A ventilation-limited compartment fire can produce a large volume of flammable smoke and other gases due to:
A. accelerated oxidation
B. incomplete combustion
C. lack of a source of ignition
D. an excess of oxygen in the air
B. incomplete combustion
Which type of respiratory protection utilizes a compressed air cylinder and the exhaled air is vented to the outside atmosphere?
A. open-circuit SCBA
B. closed-circuit SCBA
C. rebreather apparatus
D. air-purifying respirators
A. open-circuit SCBA
When fighting a wildland fire, it is unsafe to wear:
A. leather gloves
B. long sleeve shirts
C. cotton underclothing
D. synthetic underclothing
D. synthetic underclothing
Firefighters should be aware they are likely to find ______ in the space between a building's ceiling and roof when preforming vertical ventilation
A. Photovoltaic cells
B. Interior finish materials
C. Fire suppression system pipes
D. Precast concrete support ribbing
C. Fire suppression system pipes
The term that describes the extent to which a fuel substance will mix with water is:
A. solubility
B. miscibility
C. solvability
D. dissolvability
A. solubility
The type of chemical reaction in which a substance absorbs energy is an:
A. esoteric reaction
B. existential reaction
C. exothermic reaction
D. endothermic reaction
D. endothermic reaction
After changing out an empty SCBA cylinder, the empty cylinder should be placed:
A. next to the fill station
B. inside the apparatus cab
C. separate from the full cylinders
D. with the full cylinders so that they are easy to transport
C. separate from the full cylinders
Which part of the protective coat is designed to enable rescuers to assist a downed firefighter?
A. Wristlets
B. Closure system
C. Retroreflective trim
D. Drag rescue devices
D. Drag rescue devices
When ventilating a pitched roof, what might firefighters typically find applied at right angles directly over the rafters?
A. solar panels
B. metal panels
C. roofing paper
D. decking material
D. decking material
What occurs when an extinguishing agent interferes with the chemical chain reaction and stops combustion?
A. sublimation
B. autoignition
C. chemical flame inhibition
D. unstable oxidation reaction
C. chemical flame inhibition
In order to burn, liquid fuels must:
A. pyrolize
B. vaporize
C. have a specific gravity of less than one
d. have a specific gravity greater than one
B. vaporize
What are firefighting boots designed to do?
A. prevent toes from being crushed
B. be worn during hazmat incidents
C. help the firefighter maintain balance
D. protect the pants from exposure to contaminants
A. prevent toes from being crushed
Changing, adding, or removing components from protective clothing:
A. may endanger a firefighters life
B. is allowed with permission from a supervisor
C. will affect the safety of the wearer's teammates
A. may endanger a firefighters life
Which roof mounted equipment adds to the load distributed on the roof and can obstruct ventilation efforts?
A. Dormer
B. Gusset plates
C. Satellite dish
D. Scuttle hatch
C. Satellite dish
Which term describes the measure of energy flowing to an area or object?
A. heat flux
B. temperature
C. combustion rate
D. heat dissipation rate
A. heat flux
A toxic and flammable byproduct of combustion that is 35 times more toxic than carbon monoxide is:
A. chlorine
B. phosgene
C. nitrous oxide
D. hydrogen cyanide
D. hydrogen cyanide
Routine cleaning of PPE is preformed by:
A. the manufacturer
B. a contract cleaner
C. a company officer
D. the wearer of the PPE
D. the wearer of the PPE
Which action should be avoided when donning an SCBA facepiece?
A. wearing contact lenses
B. pulling the facepiece harness straps to the sides
C. pulling the facepiece harness straps to the rear
D. wearing the protective hood over top of the face piece straps
B. pulling the facepiece harness straps to the sides
The weight of an arched roof is primarily supported by the:
A. Gusset plates
B. Exterior walls
C. Beam and truss system
D. roof finishing materials
B. Exterior walls
The energy that a moving object possesses is known as:
A. kinetic energy
B. thermal energy
C. potential energy
D. exothermic energy
A. kinetic energy
Which model includes the chemical chain reaction to explain the gas-phase combustion of fire?
A. fire triangle
B. fire rectangle
C. fire tetrahedron
D. fire tetradiagonal
Why is it important to use the same path to exit the IDLH atmosphere that was used to enter?
A. reduces the possibility of an SCBA failure
B. reduces the chance of becoming disoriented
C. avoids being in the path of other work teams
D. allows easier monitoring of the environment
B. reduces the chance of becoming disoriented
NFPA 1500 prohibits ____ that prevent a complete seal between the SCBA facepiece and the wearer's face
A. Beards
B. Tattoos
C. Soft contact lenses
D. Hard contact lenses
A. Beards