LLPSD - FFI CHAPTER 15 EXAM
QUESTIONS WITH 100% CORRECT
ANSWERS | LATEST VERSION 2025/2026.
Which construction technique builds one floor at a time with a firestop between each floor?
a. ordinary
b. balloon
c. flitch plate
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
c. horizontal
1 | Page @COPYRIGHT 2025/2026 ALLRIGHTS RESERVED
, 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
d. at the highest level - ANS d. at the highest level
What is the sudden, explosive ignition of fire gases that occurs 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
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 large hole
d. return the saw to idle before withdrawing it from a cut - ANS b. rock the saw, rather than
through, structural supports
2 | Page @COPYRIGHT 2025/2026 ALLRIGHTS RESERVED
QUESTIONS WITH 100% CORRECT
ANSWERS | LATEST VERSION 2025/2026.
Which construction technique builds one floor at a time with a firestop between each floor?
a. ordinary
b. balloon
c. flitch plate
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
c. horizontal
1 | Page @COPYRIGHT 2025/2026 ALLRIGHTS RESERVED
, 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
d. at the highest level - ANS d. at the highest level
What is the sudden, explosive ignition of fire gases that occurs 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
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 large hole
d. return the saw to idle before withdrawing it from a cut - ANS b. rock the saw, rather than
through, structural supports
2 | Page @COPYRIGHT 2025/2026 ALLRIGHTS RESERVED
