TCFP Test FF2 (Latest 2023/ 2024) Questions and Verified Answers| 100% Correct
TCFP Test FF2 (Latest 2023/ 2024) Questions
and Verified Answers| 100% Correct
Q: Which is the most common type of foam proportioner used in the fire service?
Answer:
In – line eductors
Q: A _ nozzle is used with a foam solution to produce a low-expansion, short-lasting
foam.
Answer:
adjustable fog
Q: The elements needed to produce quality firefighting foam include:
Answer:
mechanical aeration , air , water , and concentrate
Q: Aqueous Film Forming Foam (AFFF) is used in percent concentrations
Answer:
1,3 , and 6
Q: Class A foams are essentially wetting agents that _ of water.
Answer:
reduce the surface tension
Q: Alcohol resistant AFFF ( Aqueous Flim Forming Foarn ) can be utilized on hydrocarbon
fires at _ percent proportions. Answer: three Q: Of the following characteristics , which is not an advantage of Class A foams? Answer: They can be used on Class A and B fires . Q: Which one of the following is not a method by which foam acts as a suppression agent? Answer: Inhibiting the chemical chain reaction Q: Which of the following is not a polar solvent? Answer: Kerosene Q: Petroleum – based fuels are _ and float on water.
Answer:
hydrocarbons
Q: In cases where a basement fire is inaccessible, _ may be used to extinguish the fire. Answer: high – expansion foam Q: To produce the proper rate of foam on flammable liquids fire, a (n) is necessary. Answer: proportioner Q: For application of aqueous film-forming foam, eductors or proportioners operate on a (n) _ principle.
Answer:
Venturi
Q: When making foam , in order for the nozzle and eductor to work properly.
Answer:
both should have the same flow rating.
Q: An in – line eductor should not be positioned more than above the liquid surface of
the foam concentrate in the container .
Answer:
6 feet
Q: Foams in use currently are of the mechanical type and must be ___and ___
before they can be used.
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