Ch. 6: Installation of Fire Extinguishers

Question 1

In what ways can a fire extinguisher be installed?

Answer 1

(1) On a hanger intended for the extinguisher
(2) In a bracket having straps or bands supplied by the extinguisher manufacturer
(3) In a listed bracket having approved straps or bands
(4) In approved cabinets or wall recesses

Question 2

For fire extinguishers weighing less than 40 pounds what shall be the max installed height of the top of the extinguisher?

Answer 2

5 feet

Question 3

For fire extinguishers weighing more than 40 pounds what shall be the max installed height of the top of the extinguisher?

Answer 3

3.5 feet

Question 4

What is the minimum clearance required from the base of the extinguisher to the floor?

Answer 4

At least 4 inches

Question 5

When installing a fire extinguisher, in what direction must the operation instructions face?

Answer 5

The operation instructions must face outward

Question 6

Fire extinguishers containing only plain water shall be
protected to temperatures as low as _____ by the addition of an antifreeze that is stipulated on the fire extinguisher nameplate.

Answer 6

−40°F

Question 7

Class A fire extinguishers shall be located so that the maximum travel distances shall not exceed ____.

Answer 7

75 feet

Question 8

Up to _____ of the complement of Class A fire extinguishers shall be permitted to be replaced by
uniformly spaced 1.5 inch hose stations for use by the occupants of the building.

Answer 8

One half of the required Class A extinguishers can be replaced by hose stations.

Question 9

True or False: For Class A hazards, two lower rated extinguishers are permitted to replace an extinguisher of a higher rating (such as two 2.5 gallon extinguishers meeting the requirements of a 4A extinguisher).

Answer 9

True

Question 10

Class B fire extinguishers shall be located so that the maximum travel distances shall not exceed ____.

Answer 10

50 feet

Question 11

Portable fire extinguishers shall not be installed as the

sole protection for flammable liquid hazards of appreciable depth where the surface area exceeds ____ square feet.

Answer 11

10 sqft (or 20 sqft when trained personnel are capable of responding immediately)

Question 12

True or False: For Class B hazards, two lower rated extinguishers are permitted to replace an extinguisher of a higher rating

Answer 12

False

Question 13

What is the max travel distance for hand portable fire extinguishers that are installed for obstacle, gravity/three-dimensional, or pressure fire hazards?

Answer 13

30 feet

Question 14

For wheeled fire extinguishers of 125 lb agent capacity or larger that are installed for obstacle, gravity/three-dimensional, or pressure fire hazards, what is the max travel distance to the hazard?

Answer 14

100 feet

Question 15

For Class D hazards, what is the max travel distance from the hazard to the nearest extinguisher?

Answer 15

75 feet

Question 16

For Class K hazards, what is the max travel distance from the hazard to the nearest extinguisher?

Answer 16

30 feet