Monthly JATC 1/24

NFPA ____ is the Standard for the Installation of Stationary Pumps for Fire Protection.

• 20

• 25

• 14

• 13

A local water flow alarm shall be provided on every sprinkler system having more than (a)   sprinklers.

For sprinklers installed around vertical openings, the sprinklers shall be spaced not more than 6 ft apart and placed ___________________ from the draft stop on the side away from the opening.

• 0" to 6"

• 18" to 24"

• 6" to 12"

• 12" to 18"

Drive screws shall be used only in a (a)   position as in the side of a beam and only for 2 in. (50 mm) or smaller pipe.

Where the existence of microbes and conditions are found that contribute to MIC, a plan shall be developed to treat the system using one of the following methods;

• Install a water pipe that will not be affected by the MIC microbes.

• Thoroughly flush all piping.

• Leave system drained for a month and refill with fresh water

• Completely replace the system piping.

NFPA (a)   is the Standard for the Inspection, Testing, and Maintenance of Water-Based Fire Protection Systems.

The minimum temperature rating of ceiling sprinklers in general storage, rack storage, rubber tire storage, roll paper storage, and baled cotton storage applications shall be (a)   °F.

A pipe stand for a valve header is 2 feet in height. The minimum number of anchors needed to attach the pipe stand base plate to the floor is______.

• 1

• 2

• 3

• 4

Holes for bolts and rods on trapeze hangers shall not exceed ________ greater than the diameter of the bolt or rod.

• 1/16"

• ½"

• 1/8"

• 1/4"

Hexagonal or face bushings _______ be permitted in reducing the size of openings of fittings when standard fittings of the required size are not available.

• needs

• shall

• should

• may