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All PPE designed for structural fire fighting must meet the requirements of ✔Correct Answer-
NFPA 1971
Which piece of PPE is donned under the helmet and is designed to protect the neck, ears, and
face from exposure to heat, embers, and debris ✔Correct Answer-Protective hood
Which statement about structural fire fighting protective coats is accurate ✔Correct Answer-
The outer shell, moisture barrier, and thermal barrier must always be worn together.
Protective trousers designed for fire fighting are ✔Correct Answer-constructed from the same
fabric, moisture barrier, and thermal layering used in protective coats
When properly worn, fire fighting gloves ✔Correct Answer-must completely cover the wristlet
of the protective coat.
Personal alert safety system (PASS) alarms are designed to activate when ✔Correct Answer-a
firefighter is motionless for more than 30 seconds
What should be done during routine inspections of PPE, such as after use at an incident
✔Correct Answer-Look for damage like rips or tears
SCBA can help protect from _____, which can be caused by inhaling heated gases ✔Correct
Answer-asphyxiation
The SCBA backplate and harness assembly: ✔Correct Answer-is used to hold the breathing air
cylinder.
Immediately prior to donning SCBA, firefighters should: ✔Correct Answer-check the cylinder
gauge to make sure the cylinder is full.
By which mechanism of heat transfer does heat travel in a straight line at the speed of light,
allowing heat to travel through vacuums and air spaces ✔Correct Answer-Radiation
Which of the following terms is used to refer to the process that can generate sufficient
quantities of burnable vapors to ignite in the presence of a sufficient oxidizer ✔Correct
Answer-Pyrolysis
What is the most common method used in fire fighting operations ✔Correct Answer-
Temperature reduction
, Fires develop through four stages: incipient, growth, _____, and decay. ✔Correct Answer-fully
developed
Which type of phenomenon occurs when the fire rapidly transitions from the growth stage to
the fully developed stage ✔Correct Answer-flashover
Which hazard is unique to metal vessels ✔Correct Answer-Metal hulls and superstructures
promote heat conduction, resulting in hot steel decks that can melt boots and burn personne
When solid fuels are heated, they begin to _____ and release fuel gases and vapors ✔Correct
Answer-pyrolize
A fire is said to be in the _____ stage when it runs out of either available fuel or available
oxygen ✔Correct Answer-decay
In the fire environment, convection usually involves the transfer of heat through ✔Correct
Answer-the movement of hot smoke and fire gases
Which of the following terms is the minimum temperature at which a liquid gives off sufficient
vapors to ignite, but still not sustain combustion ✔Correct Answer-flash point
What are the elements necessary to create fire in the model represented by the fire triangle
✔Correct Answer-fuel, oxygen, heat
The primary oxidizing agent in most fires is ✔Correct Answer-oxygen
Why might rollover, flashover, and backdraft develop more quickly in a vessel than in a land
structure ✔Correct Answer-Spaces on vessels are tightly constructed, often with watertight
doors
Water is converted to steam at ✔Correct Answer-212 or 100
The transfer of heat through and between solids is known as ✔Correct Answer-conduction
Which type of hose fitting would be used to connect a smaller hoseline to a larger supply line
✔Correct Answer-reducer
Before fire hose and couplings are stored or placed back into service, they should be:
✔Correct Answer-inspected for damage to the hose jacket and threads
The _____ on a coupling is a flattened angle at the end of the threads that helps prevent cross-
threading when connecting couplings ✔Correct Answer-higbee notch