NFPA 13 Sprinkler System Concepts

Front

According to section 8.1 of NFPA 13: Sprinklers shall be positioned and located so as to provide ____ performance with respect to activation time and distribution

Back

satisfactory

Front

According to NFPA 13, the two ways to deal with obstructions are to locate sprinklers to minimize obstructions to discharge per the requirements, or________.

Back

install additional sprinklers to ensure adequate coverage

Front

Obstructions to sprinkler pattern development are defined as: Continuous or noncontinuous obstructions less than or equal to____inches below the sprinkler deflector that prevent the pattern from fully developing.

Back

18

Front

Per NFPA 13, sprinklers are required under fixed obstructions over___ feet wide.

Back

4

Front

Open grate flooring over 4 feet in width_________.

Back

shall require protection under the flooring

Front

For standard pendent and upright sprinklers, the clearance from the sprinkler deflectors to the top of storage shall be____inches or greater.

Back

18

Front

For special sprinklers, clearance of ___ inches or greater from the sprinkler deflector to the top of storage is permitted.

Back

36

Front

The allowable distance for the deflector above a continuous obstruction to discharge that is located 6 inches away from a sprinkler is____inches.

Back

0

Front

For an obstruction such as a  large moveable conference table, the additional protection required is_______?

Back

Nothing. No additional protection is required.

Front

A standard sprinkler in a light hazard occupancy is located 6 inches away horizontally from a suspended sign that is an obstruction. The sign must be at least_____inches vertically below the sprinkler deflector to avoid obstruction.

Back

3