IFSTA #4 Real Exam Questions &
Answers 100% Correct
Tactical ventilation is performed during fire attack to: - ACCURATE ANSWER-Help
control the fire
What is the goal of positive-pressure ventilation? - ACCURATE ANSWER-Increase
pressure to higher than the exterior of the structure, NOT higher than the fire can
produce
When performing wind assisted natural horizontal ventilation, windows and doors: -
ACCURATE ANSWER-on the downward side should be opened first
The primary mode of heat transfer from one compartment to another in a structure fire
is: - ACCURATE ANSWER-Convection
For what type of fires can fire, smoke, and toxic gases spread rapidly through pipe
chases, stairways, elevator shafts, and unprotected ducts? - ACCURATE ANSWER-
High-rise fires
For what situation would an incident commander order a trench cut? - ACCURATE
ANSWER-The main fire is too large to extinguish
When performing a positive-pressure attack, the exhaust openings must be located: -
ACCURATE ANSWER-In the fire compartment
Mechanical ventilation is designed to: - ACCURATE ANSWER-Supplement effects of
natural ventilation
What is the purpose of a trench cut? - ACCURATE ANSWER-Create a defensible line
ahead of the fire's spread
Answers 100% Correct
Tactical ventilation is performed during fire attack to: - ACCURATE ANSWER-Help
control the fire
What is the goal of positive-pressure ventilation? - ACCURATE ANSWER-Increase
pressure to higher than the exterior of the structure, NOT higher than the fire can
produce
When performing wind assisted natural horizontal ventilation, windows and doors: -
ACCURATE ANSWER-on the downward side should be opened first
The primary mode of heat transfer from one compartment to another in a structure fire
is: - ACCURATE ANSWER-Convection
For what type of fires can fire, smoke, and toxic gases spread rapidly through pipe
chases, stairways, elevator shafts, and unprotected ducts? - ACCURATE ANSWER-
High-rise fires
For what situation would an incident commander order a trench cut? - ACCURATE
ANSWER-The main fire is too large to extinguish
When performing a positive-pressure attack, the exhaust openings must be located: -
ACCURATE ANSWER-In the fire compartment
Mechanical ventilation is designed to: - ACCURATE ANSWER-Supplement effects of
natural ventilation
What is the purpose of a trench cut? - ACCURATE ANSWER-Create a defensible line
ahead of the fire's spread
