AND CORRECT ANSWERS | GRADED A+ | VERIFIED
ANSWERS
Which test is required to measure the ability of an extinguisher cylinder
to withstand steady internal pressure?
1)
Static
2)
Pneumatic
3)
Fatigue
4)
Hydrostatic ---------CORRECT ANSWER-----------------4)
Hydrostatic
What is the difference between dry powder and dry chemical
extinguishing agents?
1)
There is no difference. These are two different terms for the same
thing.
2)
,A dry powder is compatible with foam; a dry chemical is not.
3)
A dry powder is harmful to the environment; a dry chemical is not.
4)
Each is rated for a different class of fire. ---------CORRECT ANSWER--------
---------4)
Each is rated for a different class of fire.
Class D agents work primarily by:
1)
penetrating the fuel.
2)
forming a crust over the fuel.
3)
suppressing vapor production.
4)
inhibiting the chemical chain reaction. ---------CORRECT ANSWER----------
-------2)
forming a crust over the fuel.
,Which class of fire is depicted in the pictograph system by a burning
trash can next to a wood fire?
1)
A
2)
B
3)
D
4)
K ---------CORRECT ANSWER-----------------1)
A
What is the term for the substance that puts out the fire?
1)
Propellant
2)
Extinguishing agent
3)
Dry charge
4)
Live load ---------CORRECT ANSWER-----------------2)
, Extinguishing agent
A Class B foam extinguisher is effective on all of the following fuels
except one. Choose the exception.
1)
Gasoline
2)
Diesel fuel
3)
Cooking oil
4)
Paint thinner ---------CORRECT ANSWER-----------------3)
Cooking oil
Which is one of the four primary classifications of rope based on
function?
1)
Static
2)
Rigging
3)