TCFP FF2 Exam (New 2023/ 2024) Questions
and Verified Answers| 100% Correct
QUESTION
The most effective type of foam for use oni polar solvents is:
Answer:
alcohol-resistant.
QUESTION
Foems designed for Class B fuel fires are used at _____ percent concentration.
Answer:
1 to 6
QUESTION
Regarding the application of firefighting foam , the major difference between hydrocarbon and
polar solvent fuels is that:
Answer:
polar solvents are water soluble.
QUESTION
Application rate in relationship to a flammable liquids fire is:
Answer:
amount of foam or foam solution needed to extinguish a fire.
QUESTION
,Fuel resistance is:
Answer:
the ability to tolerate the fuel and to avoid being saturated.
QUESTION
Which of the following is not one of the ways foam is applied using a nozzle?
Answer:
Sub - surface injection technique
QUESTION
Solubility is defined as:
Answer:
having the ability to mix with water.
QUESTION
Friction loss is:
Answer:
that part of total pressure that is lost while water moves through a hose line.
QUESTION
In what type of fire might it be better to allow the fire to burn itself out, rather then applying
water as an extinguishing agent?
Answer:
Pesticides and gases
,QUESTION
The preferred method of controlling flammable liquid fires is:
Answer:
the use of foam.
QUESTION
Liquids that have flash points less than _______ are _______ liquids.
Answer:
100 ° F, flammable
QUESTION
Unburned flammable liquid vapors are usually _______, than air and________.
Answer:
heavier, will form pools in low areas
QUESTION
Which is the most common type of foam proportioner used in the fire service?
Answer:
In - line eductors
QUESTION
A ________ nozzle is used with a foam solution to produce a low-expansion, short-lasting foam.
Answer:
adjustable fog
, QUESTION
The elements needed to produce quality firefighting foam include:
Answer:
mechanical aeration , air , water , and concentrate
QUESTION
Aqueous Film Forming Foam (AFFF) is used in _______ percent concentrations
Answer:
1,3 , and 6
QUESTION
Class A foams are essentially wetting agents that _______ of water.
Answer:
reduce the surface tension
QUESTION
Alcohol resistant AFFF ( Aqueous Flim Forming Foarn ) can be utilized on hydrocarbon fires at
______ percent proportions.
Answer:
three
QUESTION
Of the following characteristics , which is not an advantage of Class A foams?
Answer:
They can be used on Class A and B fires .
and Verified Answers| 100% Correct
QUESTION
The most effective type of foam for use oni polar solvents is:
Answer:
alcohol-resistant.
QUESTION
Foems designed for Class B fuel fires are used at _____ percent concentration.
Answer:
1 to 6
QUESTION
Regarding the application of firefighting foam , the major difference between hydrocarbon and
polar solvent fuels is that:
Answer:
polar solvents are water soluble.
QUESTION
Application rate in relationship to a flammable liquids fire is:
Answer:
amount of foam or foam solution needed to extinguish a fire.
QUESTION
,Fuel resistance is:
Answer:
the ability to tolerate the fuel and to avoid being saturated.
QUESTION
Which of the following is not one of the ways foam is applied using a nozzle?
Answer:
Sub - surface injection technique
QUESTION
Solubility is defined as:
Answer:
having the ability to mix with water.
QUESTION
Friction loss is:
Answer:
that part of total pressure that is lost while water moves through a hose line.
QUESTION
In what type of fire might it be better to allow the fire to burn itself out, rather then applying
water as an extinguishing agent?
Answer:
Pesticides and gases
,QUESTION
The preferred method of controlling flammable liquid fires is:
Answer:
the use of foam.
QUESTION
Liquids that have flash points less than _______ are _______ liquids.
Answer:
100 ° F, flammable
QUESTION
Unburned flammable liquid vapors are usually _______, than air and________.
Answer:
heavier, will form pools in low areas
QUESTION
Which is the most common type of foam proportioner used in the fire service?
Answer:
In - line eductors
QUESTION
A ________ nozzle is used with a foam solution to produce a low-expansion, short-lasting foam.
Answer:
adjustable fog
, QUESTION
The elements needed to produce quality firefighting foam include:
Answer:
mechanical aeration , air , water , and concentrate
QUESTION
Aqueous Film Forming Foam (AFFF) is used in _______ percent concentrations
Answer:
1,3 , and 6
QUESTION
Class A foams are essentially wetting agents that _______ of water.
Answer:
reduce the surface tension
QUESTION
Alcohol resistant AFFF ( Aqueous Flim Forming Foarn ) can be utilized on hydrocarbon fires at
______ percent proportions.
Answer:
three
QUESTION
Of the following characteristics , which is not an advantage of Class A foams?
Answer:
They can be used on Class A and B fires .
