Fire Safety Chapter 7 Flashcards

A Class A fire extinguisher with a numerical rating of 2 contains _____ of water.

A Class B foam extinguisher is effective on all of the following fuels except one. Choose the exception.

What must a Class C agent do?

A Class C extinguisher is rated for use on:

What is the effect of a Class K agent on the fuel?

What is a loaded stream extinguisher designed to do?

A portable fire extinguisher is best suited for which situation?

What is a potential problem with applying a multipurpose dry chemical agent to a Class K fire?

According to NFPA standards, the maximum floor area that can be protected by each extinguisher is specified according to:

All fire extinguishers are classified according to:

All portable fire extinguishers use which means for expelling their contents?

Bromochlorodifluoromethane is a _________ agent.

Class B foam fire extinguishers are also effective on:

Class D agents work primarily by:

Combustion begins when a fuel is heated to its:

Dry chemical extinguishers may be used on Class C fires because they:

For an area to qualify for the classification of 'light hazard,' most of the combustibles present must be:

For an extinguishing agent to be rated for a particular class of fire, it must:

For the purpose of extinguisher selection and placement, a woodworking shop is a(n) __________ hazard environment.

For the purpose of extinguisher selection and placement, light hazard environments may contain a limited amount of combustibles of which class?

For the purpose of extinguisher selection and placement, what is an example of a light hazard environment?

For the purpose of extinguisher placement, what is the relationship between occupancy use category and hazard classification?

How do multipurpose dry chemical agents prevent rekindling of Class A fuel?

If a private residence has a single fire extinguisher, where should it be located?

In general, the maximum discharge range of a CO2 extinguisher is:

Requirements for placing and mounting portable fire extinguishers are found in NFPA:

The hydrostatic test interval for a dry chemical extinguisher with a stainless-steel shell is every _____ years.

The production and use of Halon extinguishing agents is limited because they are:

The traditional symbol for a Class D fire extinguisher is a(n):

The weight of carbon dioxide is about ___________ times the weight of air.

The 'P' in the acronym PASS, used in reference to fire extinguisher operation, stands for:

To qualify as a light hazard for the purpose of extinguisher selection and placement, the majority of materials in the area must:

What does a rating of 40 on a Class B extinguisher mean?

What does it mean when a fire extinguisher has a pictograph with a red slash through it?

What expels the extinguishing agent from a pump tank water extinguisher?

What is an advantage of portable fire extinguishers over hose lines?

What is the best way to extinguish a Class C fire?

What is the difference between dry powder and dry chemical extinguishing agents?

What is the most commonly used extinguishing agent for Class A fires?

What is the primary extinguishing mechanism of halogenated agents?

What is the term for a water-soluble flammable liquid?

What is the term for the substance that puts out the fire?

What residue does a CO2 fire extinguisher leave when discharged?

When approaching a fire with an extinguisher in hand, you should always have a(n):

Which agent is rated for use on Class A fires?

Which class of fire extinguisher includes a number in its classification?

Which class of fire includes cloth?

Which class of fire includes combustible cooking oils and fats?

Which class of fire includes combustible metals?

Which class of fire includes flammable and combustible liquids?

Which class of fire involves energized electrical equipment?

Which class of fire is depicted in the pictograph system by a burning trash can next to a wood fire?

Which class of fire is depicted in the pictograph system by a fire in a frying pan?

Which class of fire is depicted in the pictograph system by a flame and an electrical plug and socket?

Which class of fire is depicted in the pictograph system by a flame and gasoline can?

Which compound is added to a water extinguisher to improve penetration of fuel?

Which extinguishing agent is approved for use in a Class K system?

Which extinguishing agent is suitable for use on a Class C fire?

Which extinguishing method is being used when a foam blanket is placed over the surface of a burning liquid?

Which fire extinguishing agent is best for use on sensitive electronic equipment?

Which hazard category includes automotive service or repair facilities?

Which is a disadvantage of CO2 extinguishers?

Which is a primary factor when determining hazard classification for extinguisher selection and placement?

Which is one of the three basic components required for fire?

Which is the most appropriate use for a portable fire extinguisher?

Which is used to pressurize a stored-pressure water extinguisher?

Which motion best accomplishes the removal of the pin and tamper seal from a portable fire extinguisher?

Dry chemical agents are not subject to freezing.

There is no numerical rating for a Class K extinguisher.

A dry chemical extinguisher should be serviced and recharged after any discharge.

The specific agent must be matched to the specific fuel in Class D extinguishing.

Which test is required to measure the ability of an extinguisher cylinder to withstand steady internal pressure?