1
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LLPSD - FFI Chapter 15 Questions and
Answers (100% Correct Answers) Already
Graded A+
Which construction technique builds one floor at a time with a
firestop between each floor?
a. ordinary
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b. balloon
c. flitch plate
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d. platform frame [ANS:] d. platform frame
A problem with using doorways as ventilation openings is that
______.
a. this technique compromises personnel entry & exit
b. it is more difficult to control the ventilation process
c. the large opening can admit too much air
d. this technique tends to produce churning [ANS:] a. this
technique compromises personnel entry & exit
Which form of ventilation is best for potential backdraft
conditions?
a. negative pressure
b. positive pressure
, 2
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c. horizontal
d. vertical [ANS:] d. vertical
Within a room space, where are the hottest gases found?
a. at the lowest level
b. it varies depending on the composition of the gases
c. distributed uniformly throughout the volume
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d. at the highest level [ANS:] d. at the highest level
What is the sudden, explosive ignition of fire gases that occurs
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when oxygen is introduced into a superheated space?
a. mushrooming
b. rollover
c. backdraft
d. flashover [ANS:] c. backdraft
When ventilating the basement, where is the preferred location to
ventilate?
a. the point farthest away from the entrance used by the fire
attack crew
b. any preexisting opening
c. the most accessible location
, 3
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d. the stairway from the upper level [ANS:] a. the point farthest
away from the entrance used by the fire attack crew
What is correct procedure when cutting a ventilation opening in a
roof?
a. use preexisting openings only when there is no alternative
b. rock the saw over, rather than through, structural supports
c. several small holes distributed over the fire are better than one
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large hole
d. return the saw to idle before withdrawing it from a cut [ANS:] b.
rock the saw, rather than through, structural supports
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What is the minimum measurement for a ventilation opening cut in
a roof?
a. 5 ft by 5 ft
b. 6 ft by 6 ft
c. 6ft by 8 ft
d. 4ft by 4 ft [ANS:] d. 4ft by 4 ft
Which statement summarizes the overall effect of negative-
pressure ventilation?
a. it releases the contaminated atmosphere
b. it pulls smoke out
c. it displaces the contaminated atmosphere
For Expert help and assignment solutions, +254707240657
LLPSD - FFI Chapter 15 Questions and
Answers (100% Correct Answers) Already
Graded A+
Which construction technique builds one floor at a time with a
firestop between each floor?
a. ordinary
© 2025 Assignment Expert
b. balloon
c. flitch plate
Guru01 - Stuvia
d. platform frame [ANS:] d. platform frame
A problem with using doorways as ventilation openings is that
______.
a. this technique compromises personnel entry & exit
b. it is more difficult to control the ventilation process
c. the large opening can admit too much air
d. this technique tends to produce churning [ANS:] a. this
technique compromises personnel entry & exit
Which form of ventilation is best for potential backdraft
conditions?
a. negative pressure
b. positive pressure
, 2
For Expert help and assignment solutions, +254707240657
c. horizontal
d. vertical [ANS:] d. vertical
Within a room space, where are the hottest gases found?
a. at the lowest level
b. it varies depending on the composition of the gases
c. distributed uniformly throughout the volume
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d. at the highest level [ANS:] d. at the highest level
What is the sudden, explosive ignition of fire gases that occurs
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when oxygen is introduced into a superheated space?
a. mushrooming
b. rollover
c. backdraft
d. flashover [ANS:] c. backdraft
When ventilating the basement, where is the preferred location to
ventilate?
a. the point farthest away from the entrance used by the fire
attack crew
b. any preexisting opening
c. the most accessible location
, 3
For Expert help and assignment solutions, +254707240657
d. the stairway from the upper level [ANS:] a. the point farthest
away from the entrance used by the fire attack crew
What is correct procedure when cutting a ventilation opening in a
roof?
a. use preexisting openings only when there is no alternative
b. rock the saw over, rather than through, structural supports
c. several small holes distributed over the fire are better than one
© 2025 Assignment Expert
large hole
d. return the saw to idle before withdrawing it from a cut [ANS:] b.
rock the saw, rather than through, structural supports
Guru01 - Stuvia
What is the minimum measurement for a ventilation opening cut in
a roof?
a. 5 ft by 5 ft
b. 6 ft by 6 ft
c. 6ft by 8 ft
d. 4ft by 4 ft [ANS:] d. 4ft by 4 ft
Which statement summarizes the overall effect of negative-
pressure ventilation?
a. it releases the contaminated atmosphere
b. it pulls smoke out
c. it displaces the contaminated atmosphere
