IFSTA 7 - Chapter 6 - Portable Fire
Extinguishers
Which material is a Class A combustible material?
Select one:
a.Electrical equipment
b.Wood
c.Gasoline
d.Vegetable - Answer-b. 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 - Answer-b. 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. - Answer-d. 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. - Answer-b. 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. - Answer-b. visually inspect the extinguisher.
What types of materials do Class B fires involve?
Select one:
a.Wood and paper
Extinguishers
Which material is a Class A combustible material?
Select one:
a.Electrical equipment
b.Wood
c.Gasoline
d.Vegetable - Answer-b. 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 - Answer-b. 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. - Answer-d. 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. - Answer-b. 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. - Answer-b. visually inspect the extinguisher.
What types of materials do Class B fires involve?
Select one:
a.Wood and paper
