Which material is a Class A combustible material?
Select one:
a.Electrical equipment
b.Wood
c.Gasoline
d.Vegetable - ANSWERSb. Wood
Which method of fire extinguishment forms an oxygen-excluding soapy foam over the surface of the burning material?
Select one:
a.Cooling
b.Saponification
c...
IFSTA 7 - Chapter 6 - Portable Fire
Extinguishers Questions & Answers
Which material is a Class A combustible material?
Select one:
a.Electrical equipment
b.Wood
c.Gasoline
d.Vegetable - ANSWERSb. Wood
Which method of fire extinguishment forms an oxygen-excluding soapy foam over the
surface of the burning material?
Select one:
a.Cooling
b.Saponification
c.Smothering
d.Chemical flame inhibition - ANSWERSb. Saponification
When in position to attack the fire, what is the first step that should be taken when using
a portable fire extinguisher?
Select one:
a.Sweep the nozzle back and forth to cover the material.
b.Aim the nozzle at the base of the fire.
c.Squeeze the handles to test the extinguisher and release the agent.
d.Pull the pin and break the wire or seal. - ANSWERSd. Pull the pin and break the wire
or seal.
Every portable fire extinguisher must be labeled with:
Select one:
a.a placard that details the hazardous chemical contained within.
b.letters and/or symbols that identify the type of fire for which it is intended.
c.a color-coded label identifying the extinguishing agent contained within.
d.a printed label identifying the purchasing department and purchase date. -
ANSWERSb. letters and/or symbols that identify the type of fire for which it is intended.
After selecting the appropriate extinguisher to use on a fire, the firefighter should:
Select one:
a.aim the nozzle at the base of the fire.
b.visually inspect the extinguisher.
c.proceed immediately to the fire and stand by.
d.squeeze the handles and release the agent on the fire. - ANSWERSb. visually inspect
the extinguisher.
, What types of materials do Class B fires involve?
Select one:
a.Wood and paper
b.Combustible liquids and gases
c.Cooking oils
d.Energized electrical equipment - ANSWERSb. Combustible liquids and gases
A Class D fire should be extinguished using a:
Select one:
a.dry powder extinguisher.
b.dry chemical extinguisher.
c.clean agent extinguisher.
d.carbon dioxide extinguisher. - ANSWERSa. dry powder extinguisher.
Where is a Class K fire likely to be found?
Select one:
a.Computer storage facility
b.Vehicle accident
c.Restaurant
d.Lumberyard - ANSWERSc. Restaurant
An empty portable fire extinguisher should be:
Select one:
a.laid on its side.
b.set inside the apparatus cab.
c.sent to the manufacturer to be refilled.
d.placed upright next to the full extinguishers. - ANSWERSa. laid on its side.
Class C fires involve:
Select one:
a.combustible liquids and gases.
b.regular combustibles such as wood.
c.combustible metals.
d.energized electrical equipment. - ANSWERSd. energized electrical equipment.
Which is a Class D combustible material?
Select one:
a.Sodium
b.Vegetable oil
c.Plastic
d.Alcohol - ANSWERSa. Sodium
Which statement about using a portable fire extinguisher is accurate?
Select one:
a.Pressing the extinguisher handles three times will stop the flow of the agent.
b.Portable fire extinguishers should be used in place of a hose line on all incipient fires.
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