IFSTA 7th edition - chapter 6 questions

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IFSTA 7th edition - chapter 6 questions and answers verified

Question : (a)Which material is a Class A combustible

material?

Select one:

a.Electrical equipment b.Wood c.Gasoline d.Vegetable

Correct answer: b. Wood

Question : (b)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

Correct answer: b. Saponification

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Question : (c)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.

Correct answer: d. Pull the pin and break the wire or seal.

Question : (d)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.

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Correct answer: b. letters and/or symbols that identify the

type of fire for which it is intended.

Question : (e)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.

Correct answer: b. visually inspect the extinguisher.

Question : (f)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

Correct answer: b. Combustible liquids and gases

Question : (g)A Class D fire should be extinguished using a:

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Select one:

a.dry powder extinguisher.b.dry chemical extinguisher.c.clean agent extinguisher.d.carbon dioxide extinguisher.

Correct answer: a. dry powder extinguisher.

Question : (h)Where is a Class K fire likely to be found?

Select one:

a.Computer storage facility b.Vehicle accident c.Restaurant d.Lumberyard

Correct answer: c. Restaurant

Question : (i)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.