CFPS Water-Based Suppression Systems 2

Question 1

Per NFPA 13, what is the maximum allowable coverage area per sprinkler head in an Ordinary Hazard occupancy?

Accepted Answer

130 sq ft

Answer

100 sq ft

Answer

168 sq ft

Answer

225 sq ft

Question 2

What is the primary function of a water motor gong (mechanical alarm) on a wet pipe sprinkler system?

Accepted Answer

Provide a local audible alarm driven by water flow through the alarm valve

Answer

Boost water pressure to remote sprinklers

Answer

Automatically notify the fire department dispatch center

Answer

Control the main system shutoff valve position

Question 3

Which NFPA standard governs the installation of standpipe and hose systems?

Accepted Answer

NFPA 14

Answer

NFPA 13

Answer

NFPA 15

Answer

NFPA 25

Question 4

Per NFPA 20, what performance criterion must a listed fire pump meet at churn (no-flow, shutoff) condition?

Accepted Answer

Pressure must not exceed 140% of rated pressure

Answer

Pressure must equal exactly 100% of rated pressure

Answer

Pump must deliver 150% of rated flow capacity

Answer

Pressure must be at least 65% of rated pressure

Question 5

What substance fills the distribution piping between the dry pipe valve and the sprinkler heads in a dry pipe system under normal (standby) conditions?

Accepted Answer

Pressurized air or nitrogen

Answer

Antifreeze solution

Answer

Foam concentrate pre-mix

Answer

Inert gas at atmospheric pressure

Question 6

Which sprinkler system type is most appropriate for an unheated walk-in cold storage freezer room?

Accepted Answer

Dry pipe system

Answer

Wet pipe system

Answer

Pre-action (single interlock) system

Answer

Deluge system

Question 7

Per NFPA 13, what is the minimum residual pressure required at the hydraulically most remote sprinkler during system discharge?

Accepted Answer

7 psi

Answer

15 psi

Answer

20 psi

Answer

25 psi