A typical handheld fire extinguisher completely discharges its contents after $\_\_\_\_\_\_\_$ seconds of use.

A$.2040$

B$.1260$

C$.3045$

D$.530$

$2.$ The normal temperature of a wire that's rated for a $15$ ampere current load is $160\backslash$deg F$.$ If $30$ amperes of

current is applied to the wire, what will the temperature of the wire be$?$

A$.640\backslash$deg F

B$.320\backslash$deg F

C$.480\backslash$deg F

D$.160\backslash$deg F

$3.$ A hand hose line firefighting system that's fed by a standpipe will discharge water for at least

A$.$ five minutes.

B$.$ three minutes.

C$.$ one minute.

D$.$ ten minutes.

$4.$ Which of the following type of fire$-$extinguisher expels a mixture such as potassium carbonate?

A$.$ Class D

B$.$ Class C

C$.$ Class B

D$.$ Class K

$5.$ Which of the following extinguishing agents is unsafe to use on a Class C fire?

A$.$ Water

B$.$ Dry chemical

C$.$ Foam

D$.$ Carbon dioxide

$6.$ Burns that cause severe damage to both skin layers as well as the tissue below the skin are classified as

$\_\_\_\_\_\_\_-$degree burns.

A$.$ third

B$.$ extreme

C$.$ first

D$.$ second

$7.$ Government standards define a flammable liquid as one that has a flash point lower than $\_\_\_\_\_\_\_.$

A$.140\backslash$deg F

B$.500\backslash$deg F

C$.750\backslash$deg F

D$.2,000\backslash$deg F

$8.$ A sprinkler system with an activation temperature in the range of $\_\_\_\_\_\_\_$ is classified as intermediate

system.

A$.250300\backslash$deg F

B$.175225\backslash$deg F

C$.400475\backslash$deg F

D$.135170\backslash$deg F

$9.$ A fire can burn as long as the oxygen content of the surrounding air is at least

A$.6$ percent.

B$.12$ percent.

C$.10$ percent.

D$.16$ percent.

$10.$ When wood or paper burns, a flat sheet of flame, referred to as the $\_\_\_\_\_\_\_,$ is created near its

surface.

A$.$ fuel bed

B$.$ combustion zone

C$.$ charring zone

D$.$ diffusion flame

$11.$ Which of the following is the full$-$flow pressure rate of a dedicated fire pump?

A$.200$ psi

B$.100$ psi

C$.250$ psi

D$.150$ psi

$12.$ A large container of dry extinguishing agent that's scooped or shoveled onto a fire is an example of a

A$.$ Class D extinguisher.

B$.$ Class C extinguisher.

C$.$ Class A extinguisher.

D$.$ Class B extinguisher.

$13.$ What agency maintains records for technical study on reported fires?

A$.$ OSHA

B$.$ NFPA

C$.$ NEC

D$.$ FIDO

$14.$ The minimum concentration of a flammable liquid vapor mixed with air that will ignite is called the

$\_\_\_\_\_\_\_$ of the liquid.

A$.$ lower flammable limit

B$.$ lower flash limit

C$.$ flash point

D$.$ flammable range

$15.$ The lowest temperature at which the vapors of a flammable liquid will ignite is called the

A$.$ upper flammable limit$.$

B$.$ flash point.

C$.$ combustion zone.

D$.$ diffusion flame.

$16.$ The type of smoke alarm most likely to quickly detect a smoldering fire is the $\_\_\_\_\_\_\_$ type.

A$.$ heat$-$detection

B$.$ gas$-$detection

C$.$ photoelectric

D$.$ ionization

$17.$ An evacuation procedure in which immobilized persons are moved horizontally to a refuge area is

called

A$.$ extinguishing by containment.

B$.$ the over$-$and$-$under method.

C$.$ refuge firefighting.

D$.$ defending in place.

$18.$ Hyperthermia is a condition that results from extreme exposure to

A$.$ cold.

B$.$ smoke.

C$.$ halon gas.

D$.$ radiant heat.

$19.$ Any building that's more than three stories high $($with or without a sprinkler system$)$ must also be

protected by

A$.$ at least one Class C extinguisher on each floor.

B$.$ a self$-$contained fire extinguishing system.

End of exam

C$.$ three portable fire extinguishers.

D$.$ a Class I standpipe and hose system.

$20.$ Which of the following is a correct evacuation procedure?

A$.$ Before opening a closed door, feel the surface with the back of your hand.

B$.$ In a multistory building, move to the stairwell and proceed up to a higher floor.

C$.$ Lock windows and doors behind you as you exit the building.

D$.$ When an alarm sounds, gather personal valuables and proceed to the exit.