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Chapter Test 14 (IFSTA 7th Edition)
Questions with Detailed Verified Answers
(100% Correct Answers) /Already Graded
A+
When firefighters apply water to the hot gas layer in a compartment, it will: (670) [4.3.10]
increase the potential for flashover.
increase the radiant heat flux from the upper layer.
reduce the radiant heat flux from the upper layer.
push fire into adjacent rooms.
Ans: reduce the radiant heat flux from the upper layer.
What can happen if excess steam is produced inside the structure as a result of applying water on
the fire? (670) [4.3.10]
Disruption of the thermal layering
Increase in the potential for backdraft or flashover
Transition from fuel-limited to ventilation-limited conditions
Pyrolysis process speeds up
Ans: Disruption of the thermal layering
In which situation would fuel removal be a likely method of extinguishment? (670) [4.3.19]
Fire in an apartment building
Fire in a one-story house
Grass fire
Warehouse fire
Ans: Grass fire
Closing the valve on a natural gas tank to stop the emission of gaseous fuel would be an example of:
(670) [4.310]
fuel removal.
oxygen exclusion.
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chemical flame inhibition.
temperature reduction.
Ans: fuel removal.
When a firefighter controls doors and windows during fire attack, it is an example of: (671) [4.310,
4.3.11]
chemical flame inhibition.
temperature reduction.
fuel removal.
oxygen exclusion.
Ans: oxygen exclusion.
Clean agents extinguish fire by: (672) [4.3.10]
removing oxygen from the compartment.
removing the burning fuel.
cooling the burning material.
Interrupting the combustion reaction.
Ans: Interrupting the combustion reaction.
If you are positioned to make fire attack, which condition would be important to communicate to your
supervisor or the Incident Commander? (673) [4.3.10]
Smoke that changes from gray to black
All team members' PASS devices are functioning
Amount of radiant heat felt by firefighters
Presence of bystanders at the perimeter
Ans: Smoke that changes from gray to black
Firefighters should ensure that PASS devices are on and operating properly: (673) [4.3.10]
before entering the structure.
once they reach the seat of the fire.
before applying water to the fire.
once they reach their "point of no return."
Ans: before entering the structure.
Which tool or piece of equipment is a member of a fire attack team likely to carry? (674) [4.3.10]
Salvage cover
Chapter Test 14 (IFSTA 7th Edition)
Questions with Detailed Verified Answers
(100% Correct Answers) /Already Graded
A+
When firefighters apply water to the hot gas layer in a compartment, it will: (670) [4.3.10]
increase the potential for flashover.
increase the radiant heat flux from the upper layer.
reduce the radiant heat flux from the upper layer.
push fire into adjacent rooms.
Ans: reduce the radiant heat flux from the upper layer.
What can happen if excess steam is produced inside the structure as a result of applying water on
the fire? (670) [4.3.10]
Disruption of the thermal layering
Increase in the potential for backdraft or flashover
Transition from fuel-limited to ventilation-limited conditions
Pyrolysis process speeds up
Ans: Disruption of the thermal layering
In which situation would fuel removal be a likely method of extinguishment? (670) [4.3.19]
Fire in an apartment building
Fire in a one-story house
Grass fire
Warehouse fire
Ans: Grass fire
Closing the valve on a natural gas tank to stop the emission of gaseous fuel would be an example of:
(670) [4.310]
fuel removal.
oxygen exclusion.
, Page |2
chemical flame inhibition.
temperature reduction.
Ans: fuel removal.
When a firefighter controls doors and windows during fire attack, it is an example of: (671) [4.310,
4.3.11]
chemical flame inhibition.
temperature reduction.
fuel removal.
oxygen exclusion.
Ans: oxygen exclusion.
Clean agents extinguish fire by: (672) [4.3.10]
removing oxygen from the compartment.
removing the burning fuel.
cooling the burning material.
Interrupting the combustion reaction.
Ans: Interrupting the combustion reaction.
If you are positioned to make fire attack, which condition would be important to communicate to your
supervisor or the Incident Commander? (673) [4.3.10]
Smoke that changes from gray to black
All team members' PASS devices are functioning
Amount of radiant heat felt by firefighters
Presence of bystanders at the perimeter
Ans: Smoke that changes from gray to black
Firefighters should ensure that PASS devices are on and operating properly: (673) [4.3.10]
before entering the structure.
once they reach the seat of the fire.
before applying water to the fire.
once they reach their "point of no return."
Ans: before entering the structure.
Which tool or piece of equipment is a member of a fire attack team likely to carry? (674) [4.3.10]
Salvage cover
