Brainscape's Knowledge GenomeTM

Browse over 1 million classes created by top students, professors, publishers, and experts.


See full index

ff 1 > ch 7 > Flashcards

ch 7 Flashcards

1
Q

An extinguishing agent used in dry-chemical fire extinguishers that can be used on Class A, B, and C fires.

A

Ammonium phosphate

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
2
Q

A solution based on fluorinated surfactants plus foam stabilizers to produce a fluid aqueous film for suppressing liquid fuel vapors. (NFPA 10)

A

Aqueous file-forming foam

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
3
Q

A colorless, odorless, electrically nonconductive inert gas that is a suitable medium for extinguishing Class B and Class C fires. (NFPA 10)

A

Carbon dioxide

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
4
Q

A device that uses carbon dioxide gas as the extinguishing agent. It is rated for use on Class B and C fires.

A

Carbon dioxide fire extinguisher

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
5
Q

A fire in ordinary combustible materials, such as wood, cloth, paper, rubber, and many plastics. (NFPA 1, 10)

A

Class A fire

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
6
Q

A fire in flammable liquids, combustible liquids, petroleum greases, tars, oils, oil-based paints, solvents, lacquers, alcohols, and flammable gases. (NFPA 1, 10)

A

Class B fire

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
7
Q

A fire that involves energized electrical equipment. (NFPA 10)

A

Class C fire

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
8
Q

A fire in combustible metals, such as magnesium, titanium, zirconium, sodium, lithium, and potassium. (NFPA 1, 10)

A

Class D fire

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
9
Q

A fire in a cooking appliance that involves combustible cooking media (vegetable or animal oils and fats). (NFPA 1, 10)

A

Class K fire

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
10
Q

A fire extinguisher in which the expellant gas is in a separate container from the agent storage container. (NFPA 10)

A

Cartridge/cylinder-operated fire extinguisher

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
11
Q

Electrically nonconducting, volatile, or gaseous fire extinguishant that does not leave a residue upon evaporation. (NFPA 10)

A

Clean agent

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
12
Q

The body of the fire extinguisher where the extinguishing agent is stored.

A

Cylinder

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
13
Q

A powder composed of very small particles, usually sodium bicarbonate, potassium bicarbonate, or ammonium phosphate based with added particulate material supplemented by special treatment to provide resistance to packing, resistance to moisture absorption (caking), and the proper flow capabilities. (NFPA 10)

A

Dry chemical

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
14
Q

A fire extinguisher that uses a powder composed of very small particles, usually sodium bicarbonate, potassium bicarbonate, or ammonium phosphate based with added particulate material supplemented by special treatment to provide resistance to packing, resistance to moisture absorption (caking), and the proper flow capabilities. These fire extinguishers are rated for use on Class B and C fires, although some are also rated for Class A fires.

A

Dry-chemical fire extinguisher

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
15
Q

Solid materials in powder or granular form designed to extinguish Class D combustible metal fires by crusting, smothering, or heat-transferring means. (NFPA 10)

A

Dry powder

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
16
Q

A fire extinguisher that uses solid materials in powder or granular form to extinguish Class D combustible metal fires by crusting, smothering, or heat-transferring means.

A

Dry-powder fire extinguisher

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
17
Q

A material used to stop the combustion process. These may include liquids, gases, dry-chemical compounds, and dry-powder compounds.

A

Extinguishing agent

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
18
Q

Occupancies where the total amounts of Class A combustibles and Class B flammables are greater than expected in occupancies classed as ordinary (moderate) hazards. The combustibility and heat release rate of the materials are high.

A

Extra hazard locations

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
19
Q

A protein-foam solution that uses fluorinated surfactants to produce a fluid aqueous film for suppressing liquid fuel vapors. (NFPA 10)

A

Film-forming fluoroprotein foam

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
20
Q

The total energy content of combustible materials in a building, space, or area including furnishing and contents and combustible building elements expressed in MJ. (NFPA 557)

A

Fire load

21
Q

Agents such as hydrochlorofluorocarbon (HCFC), hydrofluorocarbon (HFC), perfluorocarbon (PFC), fluoroiodocarbon (FIC) types of agents, and others that are found acceptable under the Environmental Protection Agency Significant New Alternatives Policy program. (NFPA 10)

A

Halocarbon

22
Q

A fire extinguisher that uses a halogenated extinguishing agent; also called a clean agent fire extinguisher.

A

Halogenated-agent fire extinguisher

23
Q

These agents include bromochlorodifluoromethane, bromotrifluoromethane, and mixtures thereof. (NFPA 10)

A

Halons

24
Q

A hologenated agent whose chemical name is bromochlorodifluoromethane (CBrClF ⊽2) and that is a multipurpose, Class ABC-rated agent effective against flammable liquid fires. (NFPA 408)

**note that the cards do not show super/sub scripts.
⊽ = subscript number.
Meters Squared = m⊽ 2
Square Feet - m⊽ 2

A

Halon 1211

25
Q

The grip used for holding and carrying a portable fire extinguisher.

A

Handle

26
Q

The tapered discharge nozzle of a carbon dioxide fire extinguisher.

A

Horn

27
Q

Pressure testing of a fire extinguisher to verify its strength against unwanted rupture. (NFPA 10)

A

Hydrostatic testing

28
Q

Occupancies where the quantity, combustibility, and heat release of the materials are low, and the majority of materials are arranged so that a fire is not likely to spread.

A

Light hazard locations

29
Q

A water-based fire extinguisher that uses an alkali metal salt as a freezing-point depressant.

A

Loaded-stream fire extinguisher

30
Q

A device that locks a fire extinguisher’s trigger to prevent its accidental discharge.

A

Locking mechanism

31
Q

A fire extinguisher that uses an ammonium phosphate-based extinguishing agent that is effective on fires involving ordinary combustibles, such as wood or paper, and fires involving flammable liquids. It is rated to fight Class A, B, and C fires.

A

Multipurpose dry-chemical fire extinguisher

32
Q

A device for use in applications requiring special water discharge patterns, directional spray, or other unusual discharge characteristics. (NFPA 13)

A

Nozzle

33
Q

Occupancies that contain more Class A and Class B materials than are found in light hazard locations. The combustibility and heat release rate of the materials is moderate.

A

Ordinary hazard locations

34
Q

Acronym for the steps involved in operating a portable fire extinguisher: Pull pin, Aim nozzle, Squeeze trigger, Sweep across burning fuel.

A

PASS

35
Q

A water-soluble flammable liquid such as alcohol, acetone, ester, and ketone.

A

Polar solvent

36
Q

A gauge on a pressurized portable fire extinguisher and indicates the internal pressure of the expellant.

A

Pressure indicator

37
Q

A nonpressurized, manually operated water-type fire extinguisher that is rated for use on Class A fires. Discharge pressure is provided by a hand-operated, double-acting piston pump.

A

Pump tank fire extinguisher

38
Q

The process of converting the fatty acids in cooking oils or fats to soap or foam; the action caused by a Class K fire extinguisher.

A

Saponification

39
Q

An agent that has sufficient vapor pressure at normal operating temperatures to expel itself from a fire extinguisher.

A

Self-expelling agent

40
Q

A fire extinguisher in which both the extinguishing agent and expellant gas are kept in a single container and the includes a pressure indicator or gauge. (NFPA 10)

A

Stored-pressure fire extinguisher

41
Q

A fire extinguisher in which water or a water-based extinguishing agent is stored under pressure.

A

Stored-pressure water-type fire extinguisher

42
Q

A retaining device that breaks when the locking mechanism is released.

A

Tamper seal

43
Q

The button or lever used to discharge the agent from a portable fire extinguisher.

A

Trigger

44
Q

The U.S. organization that tests and certifies that fire extinguishers (among many other products) meet established standards.

A

Underwriters Laboratories

45
Q

A fire extinguisher containing distilled or de-ionized water and employing a nozzle that discharges the agent in a fine spray. (NFPA 10)

A

Water mist fire extinguisher

46
Q

Normally an aqueous solution of organic or inorganic salts or a combination thereof that forms an extinguishing agent. (NFPA 10)

A

Wet-chemical extinguishing agent

47
Q

A fire extinguisher containing a wet-chemical extinguishing agent for use on Class K fires.

A

Wet-chemical fire extinguisher

48
Q

A fire extinguisher that expels water combined with a concentrate to reduce the surface tension and increase its ability to penetrate and spread.

A

Wetting-agent fire extinguisher

49
Q
A

ff 1 (61 decks)

Brainscape helps you reach your goals faster, through stronger study habits.
© 2024 Bold Learning Solutions. Terms and Conditions