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LLPSD - FFI Chapter 15 Exam with correct Answers
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LLPSD - FFI Chapter 15 Exam with correct Answers
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LLPSD - FFI Chapter 15 Exam withcorrect Answers
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 - Answer -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 - Answer -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
d. vertical - Answer -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 - Answer -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 - Answer -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 - Answer -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 - Answer -b. rock the saw,
rather than through, structural supports
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 - Answer -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
d. it pushes smoke out - Answer -b. it pulls smoke out
Which hazard is of particular concern in a basement fire?
a. storage of flammable/hazardous materials
b. smoke and heat venting up the stairs toward fire fighters
c. excessive property damage from cutting interior vent holes
d. an air-tight compartment prone to backdraft - Answer -b. smoke and heat venting up
the stairs toward fire fighters
Which type of ventilation uses openings in roofs or floors so that heat and smoke can
escape the structure in an upward direction?
a. mechanical
b. negative pressure
c. horizontal
d. vertical - Answer -d. vertical
Which action should be avoided when performing horizontal ventilation?
a. initiating a fire attack prior to ventilation
b. use of fans or blowers
c. use on a windy day
d. opening upward windows first - Answer -d. opening upward windows first
What is the correct ladder placement for breaking a window for ventilation?
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