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TFM02 > Flash Cards > Flashcards

Flash Cards

1
Q

A three dimensional fire often involves static flammable liquid. TRUE or FALSE?

A

FALSE.

3D fires involve flammable liquid in motions as well as both horizontal and vertical surfaces.

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2
Q

Class ____ Fire extinguishers are ok for wood, paper, some plastics and textiles. They offer the coating effects of dry chemicals.

A

Class A

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3
Q

Which extinguishers should be removed or replaced at their next 6 year maintenance or hydrostatic test interval?

A

Dry Chemical stored pressure fire extinguishers.

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4
Q

Talking about UL rating, the _____ rating refers to the amount of sq footage an extinguishers covers.

A

B:C

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5
Q

Class B fire extinguishers CANNOT handle flammable liquid TRUE or FALSE?

A

FALSE

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6
Q

Employees must be trained in proper use of all portable fire extinguishers according to _______

A

CRF29

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7
Q

You need to have portable fire extinguishers VISUALLY inspected at least _______ according to 29 CFR 1910.157 (e) (2)

A

Monthly

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8
Q

Class _____ fire extinguishers should NOT be used for fire that involves live electrical equipment.

A

Class A/B

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9
Q

Water or steam fire extinguishers need to be discharged, dissembled and inspected at least:

A

Annually

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10
Q

An extinguisher weighing over 40 lbs should be installed so the top is no more than ______ from the ground.

A

3.5 ft

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11
Q

What is OSHA specified maximum travel distance to an extinguisher for class B?

A

50 ft

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12
Q

Dry Chem extinguishers requiring 12 year hydrostatic test must be emptied for maintenance procedures every_______

A

6 years

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13
Q

A rated UL extinguishers are equal to how many gallons of water?

A

1.25 gallons

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14
Q

Class _____ fire extinguishers use electrically nonconductive extinguishing agents.

A

Class C

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15
Q

Cartridge operated water based portable extinguishers need hydrostatic testing __________

A

Every 5 years

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16
Q

Class ______ extinguishers are for fires involving cooking media.

A

Class K

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17
Q

What is the OSHA specified max travel distance for Class A extinguisher?

A

75 ft

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18
Q

Proper UL rating to use on electrically energized equipment?

A

C

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19
Q

Which class work on the principle of saponification?

A

Class K

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20
Q

What fires involve flammable liquid on a horizontal surface with the presence of a solid object creating a barrier?

A

Obstacle Type Fires

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21
Q

Extinguishers must be installed at least ______ from the ground.

A

4 inches

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22
Q

What type of fires may take place in flammable liquid storage cabinets, dip tanks process areas, etc ?

A

Obstacle Type Fires

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23
Q

To make sure the pressure gauges of CO2 extinguishers are showing adequate pressure, what must you do?

A

Must be weighed

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24
Q

Wetting agent portable extinguishers must be hydrostatic tested every _________

A

5 years

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25
Q

Leak test on stored pressure extinguishers must be performed ___________

A

After recharge.

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26
Q

How do you convert fire extinguishers from 1 type to another?

A

You cannot

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27
Q

Any remaining dry chemical in a DISCHARGED extinguisher may _________

A

Be reused only if checked for propers type, contamination, and condition. Closed recovery system needs to be used!

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28
Q

New extinguishers needing charge in the field do not need ________

A

To have any verification of service collar installed

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29
Q

The gauge used to set the regulated source of pressure needs to be calibrated _______

A

Annually

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30
Q

Pump tank calcium chloride based antifreeze types of extinguishers need to be recharged ________

A

Annually

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31
Q

What is OSHA specified max distance to extinguisher for class D?

A

75 ft

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32
Q

When you recharge, the amount of recharge agent to use should be verified by ________

A

Weighing

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33
Q

These types of extinguishers must have hydrostatic testing every 5 years _______

A

Aqueous Film Forming Foam (AFFF)

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34
Q

The Wetting agent in stored pressure wetting agent extinguishers must be replaced ________

A

Annually

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35
Q

The premixed agent in liquid charge-type AFFF and FFFP extinguishers must be replaced every ________

A

3 years

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36
Q

Which extinguishers do not need to have any verification of service collar installed?

A

Cylinder-operated extinguishers

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37
Q

You are free to mix multipurpose dry chemicals with alkaline based dry chemicals. TRUE or FALSE

A

FALSE

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38
Q

Subsurface injection of wet chemical extinguishing agents into hot cooking media __________

A

Must be avoided

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39
Q

You should NEVER place extinguishers in cabinets or wall recesses. TRUE or FALSE

A

FALSE

40
Q

How often must C02 portable extinguishers go through hydrostatic testing?

A

5 years

41
Q

Pressurized gas fires and pressurized flammable liquids are what type of hazards?

A

Special Hazards

42
Q

Type ______ extinguishers with agents other than dry chemicals are not very effective on __________

A

Type B, Special Hazards

43
Q

How do you filed adjust regulators that utilized on wheeled fire extinguishers?

A

Do not attempt

44
Q

You do not need to keep permanent file record for each extinguisher unless it has been in use for at least 1-1/2 years. TRUE or FALSE?

A

FALSE

45
Q

What’s needed for each extinguisher including: maintenance date, name, and agency performing maintenance?

A

Permanent File Record

46
Q

What is used as an expelling gas for stored-pressure fire extinguishers?

A

Dry Nitrogen

47
Q

Connecting the fire extinguisher to the high pressure source for direct charging is ______________

A

Not recommended

48
Q

The problem with halon agent is that it leaves a lot of residue after use. TRUE or FALSE

A

FALSE

49
Q

What part of the extinguisher may be weakened when under fire exposer?

A

The structural integrity of aluminum shells

50
Q

The system used to rate effectiveness of extinguishers on Class B fires is applicable to pressurized flammable liquid. TRUE or FALSE

A

FALSE

51
Q

Potassium base bicarbonate agents offer _______ capabilities when compared to sodium bicarbonate agents.

A

Greater

52
Q

There are several types of dry chemical agents. The problem with potassium chloride based agent is that it is ___________

A

Corrosive

53
Q

Of all dry chemical agents, only _______ are suitable for Class A protection.

A

Ammonium phosphate based agents

54
Q

Water type extinguishers are primarily for handling what type of fires?

A

Class A

55
Q

Backpack pump extinguishers should be avoided because they do not have a designated rating. TRUE or FALSE

A

FALSE

56
Q

Water mist extinguishers can only use what type of water?

A

Distilled water

57
Q

For Safety, portable extinguishers should NOT be installed in a location accessible to the hazard. TRUE or FALSE

A

FALSE

58
Q

All non-rechargable come with maximum useful life cycles or no more than _________

A

Date printed on the nameplate

59
Q

Carbon dioxide extinguishers can be dangerous in what locations?

A

Unventilated locations

60
Q

Extinguishers should be CO2 or Halogenated agent types when computer equipment is in the location of the fire. TRUE or FALSE

A

TRUE

61
Q

What type of fires can Halotron fight?

A

A, B, and C

62
Q

The Pressure in a hydrostatic test of a cylinder shall maintained for a minimum of how many seconds?

A

30 seconds

63
Q

Which extinguishers require 6 & 12 year hydrostatic testing?

A

Dry Chemical and Halogenated extinguishers

64
Q

Which extinguishers require 5 year maintenance and hydrostatic testing?

A

Water, AFFF, FFFP, and CO2

65
Q

Which class of extinguisher would you use for wood?

A

Class A

66
Q

Which extinguisher would you use for 2” depth heptane fires in square pans?

A

Class B

67
Q

A fire extinguisher is rated 4-A: 20-B:C ____________

A

It is twice as much as a 2-A, 20x’s. As much as 1:B, suitable for Class C fires.

68
Q

If cylinder has welding, broken threads, nicks or corrosion you __________

A

Condemn

69
Q

Pressure gauges used on test equipment are calibrated_____________

A

Semiannually

70
Q

Drying equipment shall not exceed what temperature?

A

150F

71
Q

Which are exempt from periodic hydrostatic testing?

A

DOT 3E cartridges or TC 3EM cartridges

72
Q

Hydrostatic test of cylinder shall be maintained for how long?

A

30 seconds

73
Q

Testing pressure for hose assemblies should be maintained for _________

A

Minimum of 1 minute

74
Q

When not specified, what shall be tested to factory test pressure, not exceeding 3x’s service pressure?

A

Low pressure cylinder

75
Q

Cartridge operated cylinders are tested at ___________

A

Original factory test pressure.

76
Q

DOT3A 3AA 3AL cylinders tested at 5/3 service pressure are _________ pressure cylinders

A

HIGH pressure cylinders

77
Q

CO2 extinguishers with ICC3 specs are tested at __________

A

3000 psi

78
Q

Dry chem, powder, water, foam, halogen hose assemblies are tested at __________

A

300 psi or service pressure (whichever is higher)

79
Q

Low pressure accessory hose on wheeled extinguishers are tested at _________

A

300 psi

80
Q

High pressure hose on wheeled extinguishers are tested at __________

A

3000 psi

81
Q

Hose assemblies that pass hydrostatic testing _________________

A

Shall not require recording labeling or marking

82
Q

Property owner assumes _____________

A

Role of authority having jurisdiction (AHJ)

83
Q

Travel distance from ANY point to extinguisher is which class?

A

Class A Hazards

84
Q

Travel distance from HAZARD to extinguisher is which class?

A

Class B, D, and K hazards

85
Q

What does HMIS stand for?

A

Hazardous material identification system

86
Q

What’s the minimum discharge duration for extinguisher rated at 2A or higher?

A

13 seconds

87
Q

Water type, halogenated, multipurpose dry chemical, wet chemical area what type of extinguishers?

A

Class A Hazard extinguishers

88
Q

AFFF, FFFP, CO2, Dry chemical, Halogenated are what type of extinguishers?

A

Class B hazard extinguishers

89
Q

How do you determine the minimum number of extinguishers to install for a class A hazard?

A

Divide total floor area by maximum area to be protected per extinguisher

90
Q

Smaller extinguishers rated class B or C shall ____________

A

Not be used if they don’t meet minimum 1-A rating

91
Q

Up to two water type extinguishers with 1-A rating can be used to fulfill rating of (1) 2-A extinguisher. TRUE or False

A

TRUE

92
Q

(2) 2-1/2 shall be permitted to fulfill requirement of 1 4-A rated extinguisher. TRUE or FALSE

A

TRUE

93
Q

2-A, 3000 Ft, 11,250 ft is what type of hazard?

A

light hazard class A

94
Q

Calcium chloride is ok for use in stainless steel extinguishers. TRUE or FALSE

A

FALSE

95
Q

What must pass annual CONDUCTIVITY test with label attached by heatless process with month/year and initials, agency?

A

Carbon dioxide hose assembly

TFM02 (1 decks)

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