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Fire > Portable Fire Extinguishers > Flashcards

Portable Fire Extinguishers Flashcards

1
Q

A Three-Dimensional Fire often involves static flammable liquid.

True

False

A

False

A Three-Dimensional Fire involves flammable liquid in motion as well as both horizontal and vertical suraces.

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2
Q

Class A fire extinguishers: (Choose all that apply)

  • are okay for wood
  • are okay for paper
  • are NEVER okay for plastics
  • are NEVER okay for textiles
  • Offer the coating effects of dry chemical
A
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3
Q

Dry chemical stored pressure fire extinguishers:

  • are recommended for complex buildings
  • are recommended for small facilities
  • should be replaced
A

Should be replaced

You need to remove or replace dry chemical stored pressure fire extinguishers at their nex 6 year maintenance or next hydrostatic test interval (whicever comes first).

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4
Q

Tahlking about UL rating. The _____ rating refers to the amount of square footage the extinguisher can cover.

  • A
  • B
  • C
  • A:C
  • B:C
  • C:D
A

B:C

Talking about UL rating, the B:C rating refers to the amount of square footage the extinguisher and cover. This can be related to the degree of training and experience of the operatior.

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5
Q

Class B fire extinguishers cannot handle flammable liquid,

  • True
  • False
A

False

Class B fire extinguishers can handle flammable liquid and gas fires. They can deprive the fire of oxygen and interrupt the fire chain through stopping the release of combustible vapors.

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6
Q

You need to train employees in the proper use of all portable fire extinguishers according to:

  • CFR 29
  • CFR 30
  • NFPA 12
  • NFPA 13
  • NFPA 70
  • NFPA 72
A

CFR 29

You need to train employees in the proper use of all portable fire extinguishers. this is a federally mandated requirement.

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7
Q

You need to have portable fire extinguishers visually inspected at least _____ according to 29 CFR 1910.157 (c)(2).

  • bi-weekly
  • monthly
  • quarterly
  • bi-annually
  • annually
  • every 5 years
  • every 6 years
  • every 12 years
  • Nove of the choices
A

Monthly

You need to have portable fire extinguishers visually inspected at least monthly according to 29 CFR 1910.157 (c)(2).

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8
Q

Class A/B fire extinguishers:

  • should NOT be used for fire that involves live electrical equipment.
  • should NOT be used for fire that involves any electrical equipment.
  • should be replaced by Class C fire extinguishers
  • should be replaced by Class B:C fire extinguishers
  • None of the choices
A

Should NOT be used for fire that involves live electrical equipment.

Class A/B fire extinguishers should NOT be used for fire that involves live electrical equipment. However, once the electrical equipment is de-energized you may use extinguisher for Class A or B fires.

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9
Q

Water or steam type fire extinguisher need to discharged,disassembled and inspected at least:

  • bi-weekly
  • monthly
  • quarterly
  • by-annually
  • annually
  • every 5 years
  • every 6 years
  • every12 years
  • None of the choices
A

Annually

Water of steam type fire extinguishers need to be discharged, disassembled and inspected at least annually.

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10
Q

When the extinguiher is over 40 lbs, you should install it so that the top of the canister is no more than ____ft above the ground.

  • 1.5
  • 2.5
  • 3.5
  • 4.5
  • 5
  • 5.5
  • 6
  • 6.5
A

3.5 Feet

You need to securely install extinguishers on the hanger or bracket supplied by the vendor.When the extinguisher is over 40 lbs, you should install it so that the top of the canister is no more than 3.5 ft above the ground.

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11
Q

Talking about the OSHA-specified maximum travel distances to an extinguisher, for Class B it is how many fee?

  • 25
  • 30
  • 35
  • 40
  • 45
  • 50
  • 55
  • 60
  • 65
  • 70
  • 75
  • 80
A

50 Feet

Talking about the OSHA-specified maximum travel distances to an extinguisher, for Class B it is 50 feet.

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12
Q

Those dry chemical extinguishers that a 12-year gydrostatic test need to be empted for going through maintenance procdures:

  • bi-weekly
  • Monthly
  • quarterly
  • bi-annually
  • annually
  • every 5 years
  • every 6 years
  • every 12 years
  • None of the choices
A

Every 6 years

Those dry chemical extinguishers that require a 12-year hydrostatic test need to be empted for going through maintenance procedures every six years.

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13
Q

Talking about A rating, each A = how many gallons of water?

  • 1
  • 1.25
  • 1.5
  • 2
  • 2.25
  • 2.5
  • 3
  • None of the choices
A

1.25 gallon of water

Talking about UL rating, A rating is a water equvalency rating - each A = 1.25 gallons of water.

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14
Q

Class ____ fire extinguishers use electrically nonconductive extinguishing agents.

  • A
  • B
  • C
  • D
  • K
  • None of the Choices
A

Class C

Class C fire extinguishers are for fire that involves live electrical equipment. The use electrically nonconductive extinguishing agents.

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15
Q

Cartradge operated water based portable fire extinguishers need to go through hydrostatic testing:

  • bi-weekly
  • monthly
  • quarterly
  • bi-annually
  • annually
  • every 5 years
  • every 6 years
  • every 12 years
  • None of the choices
A

Every 5 years

Cartridge operated water based portable fire extinguishers need to go through hydrostatic testing every 5 years

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16
Q

Stored pressure type extinguishers need to have internal examinations:

  • bi-weekly
  • monthly
  • quarterly
  • bi-annually
  • annually
  • every 5 years
  • every 6 years
  • every 12 years
  • None of the choices
A

None of the choices

Stored pressure or dry chemical type extinguihers do not need any internal examination.

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17
Q

When the extinguisher is 40 lbs or less, you should install it so that the top of the canister is no more than ___ft above the ground.

  • 1.5
  • 2.5
  • 3.5
  • 4.5
  • 5
  • 5.5
  • 6
  • 6.5
A

5 Feet above the ground

You need to securely install extinguishers on the hanger or bracket supplied by the vendor. When the extinguiher is 40 lbs or less, you should install it so that the to p of the canister is no more than 5 ft above the ground.

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18
Q

Class ___ fire extinguishers are for fire that involves cooking media.

  • A
  • B
  • C
  • D
  • K
  • None of the choices
A

K

Class D fire extinguishers are for fire involving combustible Metals. On the other had, Class K fire extinguishers are for fire that involves cooking media.

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19
Q

Talking about the OSHA-specified maximum travel distance to an extinguisher for Class A it is how many feet?

  • 25
  • 30
  • 35
  • 40
  • 45
  • 50
  • 55
  • 60
  • 65
  • 70
  • 75
  • 80
A

75 Feet

Talking about the OSHA-specified maximum travel distance to and extinguisher for Class A is 75 feet.

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20
Q

Talking about UL rating, ____ means it is ok to be used on electrically energized equipment.

  • A
  • B
  • C
  • D
  • K
  • None of the choices.
A

C

Talking about UL rating, C means it is ok to be used on electrically energized equipment.

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21
Q

When installing an extinguisher its bottom must be at least how many inches above the ground?

  • 1
  • 2
  • 3
  • 4
  • 5
  • 6
  • 7
  • 8
  • None of the choices.
A

4 inches

You need to securely install extinguishers on the hanger or bracket supplied by the vendor. Keep in mind the bottom of the extinguisher must be at least 4 inches above the ground.

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22
Q

Class __ fire extinguishers work on the principle of saponification.

  • A
  • B
  • C
  • D
  • K
  • None of the choices.
A

Class K

Class K fire extinguishers are for fire that involves cooking media. They work on the principle of saponification.

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23
Q

Obstacle type fire often involves nonflammable liquid on a horizontal surface.

  • True
  • False
A

False

Obstacle type fire has flammable liquid on a horizontal surface with the presence of a solid object creating a barrier. Obstacle fire hazard may take place in flammable liquid storage cabinets. kip tank process areas…etc

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24
Q

How do you make sure the pressure gauges of the CO2 extinguishers are showing adaquate pressure?

  • have them weighed
  • have them recharged
  • have them visually inspected
  • have them emptied and then internally examined
  • None of the choices.
A

Have them weighed

To make sure the pressure gauges are showing adequate pressure, all CO2 extinguishers must be weighed to determine whether leakage has occurred.

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25
Q

Wetting agent portable fire extinguishers need to go throuh hydrostatic testing.

  • bi-weekly
  • monthly
  • quarterly
  • bi-annually
  • annually
  • every 5 years
  • every 6 years
  • every 12 years
  • None of the choices.
A

Every 5 years

Wetting agent portable fire extinguishers need to go through hydrostatic testing every 5 years.

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26
Q

You need to carry out a leak test on stored pressure extinguishers:

  • every month
  • every 3 months
  • every 6 months
  • before a recharge
  • after a recharge
  • None of the choices.
A

After a recharge

When you recharge the amount of recharge agent needed you should verified by weighing. After the recharge you need to carry out a leak test on the storedpressure and selfexpelling extinguisher.

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27
Q

How do you convert a fire extinguisher from one type to another?

  • through formal application with UL.
  • through formal application with the vendor
  • through formal application with NFPA
  • through formal application with the local fire department
  • None of the choices.
A

None of the choices.

You cannot convert a fire extinguisher from one type to another.

28
Q

Any remaining dry chemical in a discharged fire extinguisher:

  • may be reused
  • must be discarded
  • must be remixed before reuse
A

May be reused

Any remaining dry chemical in a discharged fire extinguisher may be re-used only if it is thoroughly checked for the proper type, contamination, and condition. A closed recovery system needs to be used!

29
Q

New extinguishers that require initial charge in the field:

  • must have verification of service collar installed.
  • do not need to have any verification of service collar installed.
A

Do not need to have any verification of service collar installed.

Normally a verification-of-service collar would be located around the neck of the container. However new extinguishers that require initial charge in the field do not need to have any berification of service collar installed.

30
Q

How do you have a fire extinguisher converted to use a different type of extinguishing agent?

  • through formal application with UL.
  • through formal application with the vendor.
  • through formal application with NFPA.
  • through formal application with the local fire department.
  • None of the choices.
A

None of the choices

You cannot have a fire extinguisher converted to use a differnt type of extinguishing agent.

31
Q

The gauge that you use to set the regulated source of pressure needs to be calibrated:

  • bi-weekly
  • monthly
  • quarterly
  • bi-annually
  • annually
  • every 5 years
  • every 6 years
  • every 12 years
  • None of the choices.
A

Annually

The gauge that you use to set the regulated source of pressure needs to be calibrated at least annually.

32
Q

Pump tank calcium chloride-based antifreeze type of fire extinguishers need to be recharged:

  • bi-weekly
  • monthly
  • quarterly
  • bi-annually
  • annually
  • every 5 years
  • every 6 years
  • every 12 years
  • None of the choices.
A

Annually

Pump tank water and pump than calcium chloride-based antifreeze type of fire extinguishers need to be recharged every 12 months (Annually).

33
Q

Talking about the OSHA-specified maximum travel distances to an extinguisher for Class D is:

  • 25 feet
  • 45 feet
  • 55 feet
  • 65 feet
  • 75 feet
  • 85 feet
  • None of the choices.
A

75 feet

thalking about the OSHA-specified maimum travel distances to an extinguisher of Class D is 75 feet.

34
Q

When you recharge the amount of recharge agent to be used it should be verified by:

  • visual inspection
  • leak test
  • pressure gauge
  • weighting
  • None of the choices.
A

Weighting

When you recharge the amount of recharge agent to be used it should be verified by weighting. The recharged gross weight needs to be the same as the gross weight marking on the nameplate.

35
Q

Aqueous film forming foam AFFF portable fire extinguishers need to go through hydrostatic testing:

  • bi-weekly
  • monthly
  • quarterly
  • bi-annually
  • annually
  • every 5 years
  • every 6 years
  • every 12 years
  • None of the choices.
A

Every 5 years

Aqueous Film Forming Foam AFFF portable fire extinguishers need to go through hydrostatic testing every 5 years.

36
Q

You need to replace the wetting agent in the stored pressure wetting agen fire extinguishers:

  • bi-weekly
  • monthly
  • quarterly
  • bi-annually
  • annually
  • every 5 years
  • every 6 years
  • every 12 years
  • None of the choices.
A

Annually

You need to replace the wetting agent in the stored pressure wetting agent fire extinguishers annually.

37
Q

You need to replace the premixed agent in liquid charge-type AFFF fire extinguishers:

  • bi-weekly
  • monthly
  • quarterly
  • bi-annually
  • annually
  • every 3 years
  • every 6 years
  • every 11 years
  • None of the choices.
A

Every 3 years

You need to replace the premixed agent in liquid charge-type AFFF and FFFP fire extinguishers once every 3 years.

38
Q

Cylinder-operated extinguishers:

  • must have verification of a service collar being installed
  • do not need to have any verification of service collar being installed.
A

Do not need to have any verification of service collar being installed.

Normally a verification -of-service collar would be located around the neck of the container. However, cartride or cylinder-operated extinguishers do not need to have any verification of service collar installed.

39
Q

You are free to mix multpurpose dry chemicals with alkaline based dry chemicals.

  • True
  • False
A

Fals.

You cannot mix multipurpose dry chemicals with alkaline based dry chemicals.

40
Q

Subsurfaced injection of wet chemical extinguishing agents into hot cooking media:

  • is most effective
  • is moderately effective
  • must be avoided
A

Must be avoided

Subsurface injection of wet chemical extinguishing agents into hot cooking media can lead to thermodynamic reations which resembles an explosion!

41
Q

You should NEVER place extinguishers in cabinets or wall recesses.

  • True
  • False
A

False

You need to securely install extinguishers on the hanger or bracket supplied by the vendor. You may also place the equipment in cabinets or wall recesses.

42
Q

Carbon dioxide portable fire extinguishers need to go through hydrostatic testing:

  • bi-weekly
  • monthly
  • quarterly
  • bi-annually annually
  • every 5 years
  • every 6 years
  • every 12 years
  • None of the choices.
A

Every 5 years

Carbon dioxide portabel fire extinguishers need to go through hydrostatic testing every 5 years.

43
Q

Pressurized gas fires are special hazard.

  • True
  • False
A

True

Pressurized flammable liquids and pressurized gas fires are special hazard. Class B fire extinguishers with agents other than dry chemical are not too effective on this type of hazard.

44
Q

How do you field adjust the regulators that are utilzed on wheeled fire extinguishers?

  • use special pressure gauge
  • use special regulator adjuster
  • use special service collar
  • do nothing
  • None of the choices.
A

Do nothing

The regulators that ar eutilized on wheeled fire extinguishers are factory pinned at the operating pressure. You should not attempt to field adjust them.

45
Q

You do not need to keep permanent file record for each fire extinguisher unless the extinguisher has been in use for over half a year.

  • True
  • False
A

False

You need to keep permanent fiel recourd for each fire extinguisher. In particular the maintenance date and the name of the person and the agency performing the maintenance must be recorded.

46
Q

Dry nitrogen is never appropriate as an expellant gas for stored-pressure fire extinguishers.

  • True
  • False
A

False

Many of the established manufaturers recommend the use of dry nitrogen as an expellant gas for stored-pressure fire extinguishers.

47
Q

Connecting the fire extinguihser to the high-pressure source for direct charging:

  • is most effective
  • is most accurate
  • is never recommended
A

Is never recommended.

You should NOT connect the fire extinguisher to the gig-pressure source for direct charging. Connecting directly to a high-pressure source can be very dangerours.

48
Q

The problem with halon agent is that it tends to leave quite a lot of residue after use.

  • True
  • False
A

False

Halon agent is pretty effective for extinguishing fire and evaporates after use and it seldom leaves any residue.

49
Q

The structual integrity of aluminum shells used by fire extinguishers:

  • may be weakened when under fire exposure
  • may hardly be weakened even under fire exposure
  • must be tested monthly
  • must be tested quarterly
  • None of the choices.
A

My be weakened when under fire exposure.

The structural integrity of aluminum shells and cylinders may be weakened when being exposed to temperatures ober 350 degrees F, which is auite common under fire exposure.

50
Q

The system used to rate the effectiveness of fire extinguishers on Class B fires is applicable to pressurized flammable liquid.

  • True
  • False
A

False

The system used to rate the effectivness of fire extinguishers on Class B fires is not applicable to pressurzed flammable liquid.

51
Q

Potassium based bicarbonate agents offer _________ fire extinguishing capabilities when being compared with sodium bicarbonate agents.

  • greater
  • inferior
A

Greater

There are several different types of dry chemical agent. Potassium base bicarbonate agents are preferred to sodium bicarbonate since they offer greater fire extinguishing capabilities.

52
Q

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

  • costly
  • not widely available
  • corrosive
  • banned
  • None of the choices
A

Corrosive

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

53
Q

Of all dry chenical agents:

  • ONLY ammonium phosphate based agent is sutable for Class A protection.
  • ONLY ammonium phosphate based agent is sutable for Class B protection.
  • ONLY ammonium phosphate based agent is sutable for Class C protection.
A

ONLY ammonium phosphate based agent is sutable for Class A protection.

54
Q

Water type fire extinguishers are primarily for handling Class ___ fires.

  • A
  • B
  • C
  • K
  • None of the choices.
A

Class A

Water type fire extinguishers are primarily for handling Class A fires. You should target the stream initially at the base of the flames.

55
Q

Backpack pump fire extinguisher should be avoided because it does not have any designated rating.

  • True
  • False
A

False

Backpack pump fire extinguisher is used primarily for fihting outdoor fires. It is listed by UL without any designated rating. Still it does not mean you should avoid it.

56
Q

With water mist extinguisher you can only use what as the agent?

  • antifreeze
  • antifreeze with salt
  • ammonium phosphate
  • distilled water
  • None of the choices.
A

Distilled water.

With water mist extinguisher you can only use distilled water as the agent.

57
Q

For safety sake, portable fire extinguishers should NOT be installed in the location accessible to the hazard.

  • True
  • False
A

False

Portable fire extinguishers should be installed in a location accessible to the hazard. For safety sake however they should not be installed adjacent to the potentioal fire hazard location

58
Q

All nonrechargeable fire extinguishers come with maximum useful life cycles of no more than:

  • 12 months
  • 18 months
  • 24 months
  • 36 months
  • None of the choices.
A

None of the choices

Nonrechargeble fire extinguishers come with a maximum useful life cycle specified on the nameplate.

59
Q

The use of cabon dioxide extinguisher in an unventilated location:

  • is most effective
  • is moderately effective
  • will lead to explosion
  • can be dangerous
  • None of the choices
A

Cand be dangerous

The use of cabon dioxide extinguishers in and unbentilated location will delute the oxygen supply and may lead to oxygen deficiency and loss of consiciousness.

60
Q

Fire extinguishers should be of the carbon dioxide of halogenated agent types when ther are computer equipment in the location of fire

  • True
  • False
  • It would not make any difference if the computers are not de-energized.
A

True

Fire extinguishers should be of the carbon dioxide or halogenated agent types when there are computer equipments in the location of the fire.

61
Q

Fire extinuishers should be of the carbon dioxide or halogenated agent types when there are computer equipments in the location of fire.

  • True
  • False
A

True

Fire extinguishers should be of the carbon dioxide or Halogenated agent types when there are computer equipments in the location of the fire.

62
Q

Halotron I cannot fight Class B fires.

  • True
  • False
A

False

Halotron I can be discharged as a rapidly evaporating liquid that leaves no residue. It does not conduct electricity and can fight Class A, B, and C fires.

63
Q

Cleanguard FE 36 is NOT a suitable replacement for Halon.

  • True
  • False
A

False

Cleanguard FE 36 is a suitable replacement for Halon 1211 as it is less toxic and that it has zero ozone depletion potential.

64
Q

When a Texas landlord has installed non-recharable residential fire extinguishers as required by the local ordance, the landlord must inspect the fire extinguisher.

  • at the start of the tenant’s posscession.
  • at the start and end of the tenant’s posscession.
  • every 2 weeks
  • every 5 weeks.
  • None of the choices.
A
  • at the start of the tenant’s posscession.

According to the Property code (Chapter 92), when a landlord has installed a non-rechargeable fire extinguisher as required by the local ordinace, the landlord must inspect the fire extinguisher at the start of the tenant’s possession. He must also do the same within a reasonable time after receiving a written request from the tenant.

65
Q
A
66
Q
A

Fire (13 decks)

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