IFSTA 7TH EDITION CHAPTER 18
COMPREHENSIVE EXAMINATION TEST
2026 QUESTIONS AND SOLUTIONS
GRADED A+
◉ In order to create high-quality foam:
Select one:
a.foam concentrate, water, and air must be mixed in the correct ratio.
b.a foam nozzle must be used.
c.a fog nozzle must be used.
d.foam solution and water must be premixed and allowed to rest
before application.
Answer: a.foam concentrate, water, and air must be mixed in the
correct ratio.
◉ What action should be taken if a pressurized vessel containing
flammable gas is exposed to flames?
Select one:
a.Apply a fog stream of water
b.Apply foam using the roll-on method
,c.Apply foam using the bank-down method
d.Apply a solid stream of water.
Answer: d.Apply a solid stream of water
◉ Which method of foam application would be well suited for a
flammable liquid spill near the exterior wall of a building?
Select one:
a.Spread-over method
b.Rain-down method
c.Roll-on method
d.Bank-down method.
Answer: d.Bank-down method
◉ Class B foams are especially effective on:
Select one:
a.hydrocarbon fuels.
b.energized electrical equipment.
c.surfactants.
d.ordinary combustibles..
Answer: a.hydrocarbon fuels.
◉ Class A foam acts as a surfactant, which means that it:
, Select one:
a.requires a special type of aeriation tool to be formed.
b.raises the surface tension of water, creating a more effective
extinguishing agent.
c.requires a special type of nozzle for application.
d.lowers the surface tension of water, allowing better penetration
into the fuel..
Answer: d.lowers the surface tension of water, allowing better
penetration into the fuel.
◉ What is likely to cause poor quality fire fighting foam to be
produced?
Select one:
a.Mixing different types of foam concentrates in the same tank
b.Nozzle is too far below the eductor
c.Nozzle is fully opened
d.Hose lay on the eductor side is not long enough.
Answer: a.Mixing different types of foam concentrates in the same
tank
◉ What is necessary when applying fire fighting foam?
Select one:
a.A vapor protective suit and SCBA
COMPREHENSIVE EXAMINATION TEST
2026 QUESTIONS AND SOLUTIONS
GRADED A+
◉ In order to create high-quality foam:
Select one:
a.foam concentrate, water, and air must be mixed in the correct ratio.
b.a foam nozzle must be used.
c.a fog nozzle must be used.
d.foam solution and water must be premixed and allowed to rest
before application.
Answer: a.foam concentrate, water, and air must be mixed in the
correct ratio.
◉ What action should be taken if a pressurized vessel containing
flammable gas is exposed to flames?
Select one:
a.Apply a fog stream of water
b.Apply foam using the roll-on method
,c.Apply foam using the bank-down method
d.Apply a solid stream of water.
Answer: d.Apply a solid stream of water
◉ Which method of foam application would be well suited for a
flammable liquid spill near the exterior wall of a building?
Select one:
a.Spread-over method
b.Rain-down method
c.Roll-on method
d.Bank-down method.
Answer: d.Bank-down method
◉ Class B foams are especially effective on:
Select one:
a.hydrocarbon fuels.
b.energized electrical equipment.
c.surfactants.
d.ordinary combustibles..
Answer: a.hydrocarbon fuels.
◉ Class A foam acts as a surfactant, which means that it:
, Select one:
a.requires a special type of aeriation tool to be formed.
b.raises the surface tension of water, creating a more effective
extinguishing agent.
c.requires a special type of nozzle for application.
d.lowers the surface tension of water, allowing better penetration
into the fuel..
Answer: d.lowers the surface tension of water, allowing better
penetration into the fuel.
◉ What is likely to cause poor quality fire fighting foam to be
produced?
Select one:
a.Mixing different types of foam concentrates in the same tank
b.Nozzle is too far below the eductor
c.Nozzle is fully opened
d.Hose lay on the eductor side is not long enough.
Answer: a.Mixing different types of foam concentrates in the same
tank
◉ What is necessary when applying fire fighting foam?
Select one:
a.A vapor protective suit and SCBA
