System

Which class of fire involves energized electrical equipment?

• Class B

• Class E

• Class G

• Class C

What is the biggest disadvantage to dry-chemical systems?

• Requires extensive clean up

• Extremely expensive

• They are difficult to find

• Requires inspections of new installations

Which dry-chemical system component may contain both the agent and the pressurized expellant gas?

• Storage container

• Transfer unit

• Combustion chamber

• Foam system

Which type of dry-chemical fixed application method introduces a concentration of an agent into a closed area?

• total flooding

• local application

• handheld hoseline

Which dry chemical extinguishing agent is known as "ordinary" and used for Class B and C fires?

• sodium bicarbonate

• potassium bicarbonate

• monoammonium phosphate

• sulfur dioxide

Which dry chemical agent is known as "Purple K" and used for Class B and C fires?

• potassium bicarbonate

• monoammonium phosphate

• sodium bicarbonate

• sulfur dioxide

What is the name of the dry chemical agent that is known as "multipurpose", has a pale yellow color, and it effective on Class A, B, and C fires?

• sodium bicarbonate

• potassium bicarbonate

• monoammonium phosphate

• sulfur dioxide

Which dry chemical agent has a corrosive effect on unprotected metals?

• sodium bicarbonate

• potassium bicarbonate

• monoammonium phosphate

• sulfur dioxide

Detailed maintenance of dry chemical extinguishing systems is the responsibility of the:

• owner/occupant

• fire marshal

• fire protection system companies

• inspector

Which type of special-agent fire extinguishing system is used for combustible metal fires?

• Dry powder systems

• Carbon dioxide systems

• Foam agent systems

• Wet-chemical systems