TCFP FINAL EXAM QUESTIONS AND
CORRECT ANSWERS| ACCURATE ACTUAL
EXAM WITH FREQUENTLY TESTED
QUESTIONS AND RATIONALE|ALREADY A+
GRADED|GUARANTEED PASS
What is the main factor when determining hazard classification for
extinguisher selection placement? Correct Answer Amount of
combustibles present
List some dry chemical extinguishing agents Correct Answer
Sodium bicarbonate
potassium bicarbonate
urea potassium bicarbonate
potassium chloride
*ammonium phosphate*
Polar solvents are... Correct Answer water - soluble
What is the numerical rating for Class A Extinguishers Correct
Answer 1A - 40A
,1 = 1.25g or 5L
What is the numerical rating for class b extinguishers Correct
Answer 1B - 640B
represents square footage
Maximum reach of CO2 extinguisher is Correct Answer 8 ft
What extinguishing agent is no longer used/ limited to do its
harmful effect to the environment Correct Answer Halon 1211
cleaning agents are designed to replace
Similarity between dry chemical and dry powder Correct Answer
NONE
Dry powder is only for D
Dry chem is for ABC
Purpose of loaded stream Correct Answer Resist freezing
,What is wet chemical used on? Correct Answer Class K fires ->
saponification
What is used to pressurize a stored pressure water extinguisher
Correct Answer compressed air
ex: APW
Class D agents work primarily by Correct Answer forming a crust
over the fuel
How does an extinguishing agent become rated for a certain type
of fire? Correct Answer By preventing rekindling of a fire once it is
out
NFPA 10 Correct Answer Maximum floor area that can be
protected by each extinguisher depends on occupancy time
requirements for placing/ mounting portable extinguishers
"light hazards" Correct Answer combustibles present arranged so
fire is NOT likely to spread
, Primary extinguishing mechanism of dry chemical Correct Answer
interrupting chemical chain
Can dry chemicals freeze? Correct Answer NO ... they are dry
duh
how do dry chemical agents prevent rekindling Correct Answer by
forming a crust over the fuel
P.A.S.S Correct Answer Pull, Aim, Squeeze, Sweep
A possible problem with application of dry chem agent on class K
Correct Answer Neutralization of other agents applied to fire
When should an extinguisher be serviced and recharged Correct
Answer after each use
what should be used when electronic equipment is on fire Correct
Answer CO2... also doesn't leave residue or ruin the equipment
weight of CO2 is _____ weight of air Correct Answer 1.5x
What are wetting agents used for Correct Answer added to water
to improve penetration of fuel // used in class K
CORRECT ANSWERS| ACCURATE ACTUAL
EXAM WITH FREQUENTLY TESTED
QUESTIONS AND RATIONALE|ALREADY A+
GRADED|GUARANTEED PASS
What is the main factor when determining hazard classification for
extinguisher selection placement? Correct Answer Amount of
combustibles present
List some dry chemical extinguishing agents Correct Answer
Sodium bicarbonate
potassium bicarbonate
urea potassium bicarbonate
potassium chloride
*ammonium phosphate*
Polar solvents are... Correct Answer water - soluble
What is the numerical rating for Class A Extinguishers Correct
Answer 1A - 40A
,1 = 1.25g or 5L
What is the numerical rating for class b extinguishers Correct
Answer 1B - 640B
represents square footage
Maximum reach of CO2 extinguisher is Correct Answer 8 ft
What extinguishing agent is no longer used/ limited to do its
harmful effect to the environment Correct Answer Halon 1211
cleaning agents are designed to replace
Similarity between dry chemical and dry powder Correct Answer
NONE
Dry powder is only for D
Dry chem is for ABC
Purpose of loaded stream Correct Answer Resist freezing
,What is wet chemical used on? Correct Answer Class K fires ->
saponification
What is used to pressurize a stored pressure water extinguisher
Correct Answer compressed air
ex: APW
Class D agents work primarily by Correct Answer forming a crust
over the fuel
How does an extinguishing agent become rated for a certain type
of fire? Correct Answer By preventing rekindling of a fire once it is
out
NFPA 10 Correct Answer Maximum floor area that can be
protected by each extinguisher depends on occupancy time
requirements for placing/ mounting portable extinguishers
"light hazards" Correct Answer combustibles present arranged so
fire is NOT likely to spread
, Primary extinguishing mechanism of dry chemical Correct Answer
interrupting chemical chain
Can dry chemicals freeze? Correct Answer NO ... they are dry
duh
how do dry chemical agents prevent rekindling Correct Answer by
forming a crust over the fuel
P.A.S.S Correct Answer Pull, Aim, Squeeze, Sweep
A possible problem with application of dry chem agent on class K
Correct Answer Neutralization of other agents applied to fire
When should an extinguisher be serviced and recharged Correct
Answer after each use
what should be used when electronic equipment is on fire Correct
Answer CO2... also doesn't leave residue or ruin the equipment
weight of CO2 is _____ weight of air Correct Answer 1.5x
What are wetting agents used for Correct Answer added to water
to improve penetration of fuel // used in class K
