Maine Maritime USCG Firefighting
questions with verified answers
Which statement about structural firefighting protective coats is accurate? - correct answer
✔✔The outer shell, moisture barrier, and thermal barrier must always be worn together.
Personal alert safety system (PASS) alarms are designed to activate when: - correct answer ✔✔a
firefighter is motionless for more than 30 seconds
SCBA can help protect from _____, which can be caused by inhaling heated gases: - correct
answer ✔✔asphyxiation
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
What is the most common method used in fire fighting operations? - correct answer
✔✔Temperature Reduction
Which type of phenomenon occurs when the fire rapidly transitions from the growth stage to
the fully developed stage? - correct answer ✔✔Flashover
When solid fuels are heated, they begin to _____ and release fuel gases and vapors.: - correct
answer ✔✔Pyrolyze
, 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
The primary oxidizing agent in most fires is: - correct answer ✔✔oxygen
Water is converted to steam at: - correct answer ✔✔212F or 100C
The transfer of heat through and between solids is known as: - correct answer ✔✔conduction
Which of the following best describes what the fire tetrahedron represents? - correct answer
✔✔An inhabited chemical chain reaction
The process of ignition causes pyrolysis in solid fuels and _____ in liquid fuels - correct answer
✔✔vaporization
Combustion can occur within a range of concentration of fuel vapor and air; this range is
referred to as the: - correct answer ✔✔flammable (explosive) range
What two respiratory hazards are responsible for the majority of fire-related fatalities? - correct
answer ✔✔Carbon monoxide and hydrogen cyanid
What device splits one hose stream into two hose streams? - correct answer ✔✔wye
What term defines the minimum concentration of fuel vapor and air that supports combustion?
- correct answer ✔✔Lower flammable limit
questions with verified answers
Which statement about structural firefighting protective coats is accurate? - correct answer
✔✔The outer shell, moisture barrier, and thermal barrier must always be worn together.
Personal alert safety system (PASS) alarms are designed to activate when: - correct answer ✔✔a
firefighter is motionless for more than 30 seconds
SCBA can help protect from _____, which can be caused by inhaling heated gases: - correct
answer ✔✔asphyxiation
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
What is the most common method used in fire fighting operations? - correct answer
✔✔Temperature Reduction
Which type of phenomenon occurs when the fire rapidly transitions from the growth stage to
the fully developed stage? - correct answer ✔✔Flashover
When solid fuels are heated, they begin to _____ and release fuel gases and vapors.: - correct
answer ✔✔Pyrolyze
, 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
The primary oxidizing agent in most fires is: - correct answer ✔✔oxygen
Water is converted to steam at: - correct answer ✔✔212F or 100C
The transfer of heat through and between solids is known as: - correct answer ✔✔conduction
Which of the following best describes what the fire tetrahedron represents? - correct answer
✔✔An inhabited chemical chain reaction
The process of ignition causes pyrolysis in solid fuels and _____ in liquid fuels - correct answer
✔✔vaporization
Combustion can occur within a range of concentration of fuel vapor and air; this range is
referred to as the: - correct answer ✔✔flammable (explosive) range
What two respiratory hazards are responsible for the majority of fire-related fatalities? - correct
answer ✔✔Carbon monoxide and hydrogen cyanid
What device splits one hose stream into two hose streams? - correct answer ✔✔wye
What term defines the minimum concentration of fuel vapor and air that supports combustion?
- correct answer ✔✔Lower flammable limit
