IFSTA Chapter 18 & 19 Exam | Questions and Verified Answers| 100% Correct<\/p>\n\n\n\n
IFSTA Chapter 18 & 19 Exam | Questions
and Verified Answers| 100% Correct
Q: Because of environmental concerns about fire fighting foam, firefighters should:
Select one:
a. not use foam near bodies of water or public water sources.
b. use foam only as the last option for extinguishment.
c. try to prevent the foam from entering bodies of water.
d. have a hazardous materials team on standby when using the foam.
Answer:
try to prevent the foam from entering bodies of water.
Q: Fog nozzles can be used with foam solution to produce:
Select one:
a. low-expansion, short-lasting foam.
b. low-expansion, long-lasting foam.
c. high-expansion, long-lasting foam.
d. high-expansion, short-lasting foam.
Answer:
low-expansion, short-lasting foam.
Q: At an incident involving flammable liquids or gases, firefighters should immediately retreat
to a safe location:
Select one:
a. if the sound of escaping gas starts to get louder.
b. if they realize that the leak is coming from the distribution system.
c. once the hazmat team arrives.
d. once a foam blanket completely covers the burning material.
Answer:
if the sound of escaping gas starts to get louder.<\/p>\n\n\n\n
Q: Which method of foam application would be well suited for a flammable liquid spill near the b. in-line eductor
exterior wall of a building?
Select one:
a. Roll-on method
b. Rain-down method
c. Spread-over method
d. Bank-down method
Answer:
Bank-down method
Q: Which action should be avoided during an incident involving a tanker carrying flammable
fuels?
Select one:
a. Using road flares
b. Using fire fighting foam
c. Applying water for victim protection
d. Allowing a lane of traffic to remain open
Answer:
Using road flares
Q: If the foam being produced is poor quality, the firefighter should:
Select one:
a. use a longer hose lay to provide less friction loss.
b. move the nozzle farther above the eductor to reduce elevation pressure.
c. check to make sure there are no air leaks in the proportioning device.
d. close the nozzle slightly to reduce the amount of water flow.
Answer:
check to make sure there are no air leaks in the proportioning device.
Q: A(An) _<\/strong> is mounted on an apparatus and uses a centrifugal pump to supply the water
for the foam solution and an onboard air compressor to add air to the mixture before discharge.
Select one:
a. compressed air foam system (CAFS)<\/p>\n\n\n\n
c. balanced-pressure proportioner
d. around-the-pump proportioner
Answer:
compressed air foam system (CAFS)
Q: The amount that fire fighting foam expands depends on the type of foam concentrate used
and:
Select one:
a. whether potable or nonpotable water is used in the solution.
b. the number of personnel working with the proportioner.
c. accurate proportioning of the foam concentrate in the solution.
d. whether the water is from a static or pressurized source.
Answer:
accurate proportioning of the foam concentrate in the solution.
Q: At an incident involving a gas distribution system, if the gas is burning:
Select one:
a. the flame should not be extinguished.
b. firefighters should approach from downwind.
c. foam should be applied in copious amounts in order to reach extinguishment as quickly as
possible.
d. water should be applied to the leak until a hazmat response team arrives.
Answer:
the flame should not be extinguished.
Q: What should firefighters do if the fire begins to spread uncontrollably when they are
applying foam?
Select one:
a. Apply a greater quantity of foam
b. Retreat to a safe location while using handlines for protection
c. Switch to a different extinguishing agent
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