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NFPA 10 2018 study guide > Chapter 6 (Installation of Portable Fire Extinguishers) > Flashcards

Chapter 6 (Installation of Portable Fire Extinguishers) Flashcards

1
Q

Can a fire extinguisher be installed where a visual obstruction blocks its view?

A

Yes but only where the visual obstruction cannot be avoided and you must have signs or other means to indicate the extinguisher’s location.

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2
Q

what are the four acceptable means of installing a fire extinguisher other than a wheeled fire extinguisher?

A

(1) securely on a hanger intended for the extinguisher
(2) in a bracket incorporating releasing straps or bands supplied by the extinguisher manufacturer.
(3) in a listed bracket incorporating releasing straps or bands approved for such purpose.
(4) in approved cabinets or wall recesses

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3
Q

Are you allowed to fabricate hangers or brackets in the field?

A

No Hangers and brackets shall not be fabricated in the field.

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4
Q

Fire extinguishers installed in vehicles or under other conditions where they are subject to dislodgement shall____

A

Be installed in approved strap-type brackets specifically designed for this application.

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5
Q

Fire extinguishers having a gross weight NOT exceeding 40 LB shall be installed so that the top of the fire extinguisher is not more than?

A

5 FT above the floor

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6
Q

Fire extinguishers have a gross weight GREATER than 40 LB shall be installed so that the top of the fire extinguisher is not more than?

A

3 1/2 FT above the floor

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7
Q

In no case shall the clearance between the bottom of the hand portable fire extinguisher and the floor be less than?

A

4 in.

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8
Q

Fire extinguishers shall be installed so that the fire extinguisher’s Operating instructions____

A

Face outward

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9
Q

Hazardous materials identification systems (HMIS) labels, 6-year maintenance labels, hydrostatic test labels or other labels shall_______

A

Not be located or placed on the front of the extinguisher

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10
Q

Cabinets housing fire extinguishers shall not be locked, except?

A

Where fire extinguishers are subject to malicious use and cabinets include a means of emergency access

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11
Q

where fire extinguishers are installed in closed cabinets that are exposed to elevated temperatures, the cabinets shall ____

A

Be provided with screened openings and drains

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12
Q

Do the mounting height standards still apply to extinguishers stored in cabinets and wall recesses?

A

Yes, Extinguishers 40 lbs or less shall not be installed 5 FT above the floor from the top of the extinguisher, extinguishers greater than 40 lbs shall not be installed 3 1/2 FT above the floor from the top of the extinguisher, and in no case shall the clearance between the bottom of the extinguisher and the floor be less than 4 in.

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13
Q

For fire-resistance-rated walls, only _____may be installed.

A

surface mounted cabinets or listed fire-rated cabinets shall be installed.

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14
Q

Fire extinguishers containing only plain water shall be protected to temperatures as low as ______ by addition of an _____

A

(1) -40 degrees Fahrenheit

(2) antifreeze that is stipulated on the fire extinguisher name plate

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15
Q

_____ solutions shall not be used in stainless steel fire extinguishers.

A

calcium chloride

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16
Q

How do you determine the minimum number of Class A fire extinguishers needed for each floor of a building?

A

you divide the total floor area by the maximum area to be protected per extinguisher.

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17
Q

Fire extinguishers shall be located so that the maximum travel distances shall not exceed _____ except as modified by 6.2.1.4

A

75 ft

18
Q

are two 1-A rated fire extinguishers permitted to meet the requirement of one 2-A rated fire extinguisher?

A

Yes

19
Q

Two 2 1/2 gal water-type extinguishers shall be permitted to be used to fulfill the requirements of what?

A

One 4-A rated extinguisher

20
Q

Up to one-half of the complement of fire extinguishers specified in table 6.2.1.1 shall be permitted to be replaced by what?

A

Uniformly spaced 1 1/2 in hose stations for use by the occupants of the building

21
Q

what is the minimum rated single extinguisher for a class A hazard in light and ordinary hazard occupancy?

A

2-A

22
Q

what is the minimum rate single extinguisher for a class A hazard in extra hazard occupancy?

A

4-A

23
Q

what is the maximum floor area per unit of A for light, ordinary, and extra hazard occupancy?

A

Light Hazard Occupancy- 3000 sq.ft
Ordinary Hazard Occupancy- 1500 sq.ft
Extra Hazard Occupancy-1000 sq.ft

24
Q

The location of hose stations and the placement of fire extinguishers shall be such that the hose stations do not_____

A

replace more than every other fire extinguisher

25
Q

the protection requirements shall be permitted to be fulfilled with fire extinguishers of a higher rating, provided_____

A

the travel distance to such larger fire extinguishers does not exceed 75 ft and the maximum floor area per unit of A is not exceeded.

26
Q

Three AFFF or FFFP fire extinguishers of at least 2 1/2 gal can be used to fulfill what requirement?

A

The requirements for extra hazard for class b hazards

27
Q

two AFFF or FFFP fire extinguishers of at least 1.6 gals can be used to fulfill what requirement?

A

the requirements for ordinary hazard requirements for class b hazards.

28
Q

Can a higher-rated fire extinguisher fulfill the requirements in table 6.3.1.1 for a class B hazard?

A

Yes provided the travel distance to such larger fire extinguishers does not exceed 50 FT.

29
Q

What are the two basic minimum extinguisher ratings needed for light class B hazards and their maximum travel distance?

A

(1) 5-B and 10-B

(2) 5-B maximum travel of 30 FT and 10-B maximum Travel of 50 FT

30
Q

What are the two basic minimum extinguisher ratings needed for ordinary class B hazards and their maximum travel distance?

A

(1) 10-B and 20-B

(2) 10-B maximum travel of 30 FT and 20-B maximum Travel of 50 FT

31
Q

what are the two basic minimum extinguisher ratings needed for extra class B hazards and their maximum travel distance?

A

(1) 40-B and 80-B

(2) 40-B maximum travel of 30 FT and 80-B maximum travel of 50 FT

32
Q

Portable Fire extinguishers shall not be installed as the sole protection for flammable liquid hazards of appreciable depth where?

A

The surface area exceeds 10 SQ.FT

33
Q

Where personnel who are trained in extinguishing fires in the protected hazards are located on the premises and capable of responding immediately the maximum surface area shall not exceed?

A

20 SQ.FT

34
Q

For flammable liquid hazards of appreciable depth, a Class B fire extinguisher shall be provided on the basis of at least __ numerical units of Class b extinguishing potential per ___ of flammable liquid surface of the largest hazard area.

A

(1) 2 Numerical units of Class B extinguishing potential

(2) 1 SQ.FT of flammable liquid surface

35
Q

AFFF or FFFP type fire extinguishers shall be permitted to be provided on the basis of what?

A

On the Basis of 1-B of protection per 1 SQ.FT of hazard

36
Q

Fire extinguishers with _______ shall be required where energized electrical equipment can be encountered.

A

Class C rating

37
Q

Fire extinguishers or extinguishing agents with _____ shall be provided for fires involving combustible metals

A

Class D rating

38
Q

What is the maximum travel distance that a class D fire extinguisher or extinguishing agent may be from the class D hazard?

A

75 FT

39
Q

______fire extinguishers shall be provided for hazards where there is a potential for fires involving combustible cooking media (_______ or______ and_____)

A

Class K Fire extinguishers

vegetable or animal oils and fats

40
Q

what is the maximum travel distance allowed between a class K hazard and a class K extinguisher?

A

30 FT

41
Q

All Solid Fuel cooking appliances (whether or not under a hood) with fire boxes of 5 ft3 volume or less shall have at least a ____________ or __________ that is listed for Class K fires.

A

Listed 2-A rated water-type fire extinguisher
or
A 1.6 GAL wet chemical fire extinguisher

NFPA 10 2018 study guide (5 decks)

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