F80 Water Supply and Fire Suppression

Question 1

According to NFPA 291 color coding, what color bonnet indicates a fire hydrant with a flow capacity of 1,500 GPM or greater?

Accepted Answer

Blue

Answer

Red

Answer

Orange

Answer

Green

Question 2

Which type of sprinkler head activates only at the individual head directly exposed to sufficient heat?

Accepted Answer

Closed-head sprinkler with a fusible link or glass bulb

Answer

Deluge open-head sprinkler

Answer

Pre-action system head

Answer

Foam-water sprinkler head

Question 3

What does residual pressure measure during a fire hydrant flow test?

Accepted Answer

Pressure remaining in the water distribution system while water is actively flowing

Answer

Static pressure when no water is flowing anywhere in the system

Answer

Maximum pressure rating of the distribution main

Answer

Pump discharge pressure at the fire apparatus

Question 4

What is the primary function of a Post Indicator Valve (PIV)?

Accepted Answer

To provide a visible open/shut indication of a water control valve without entering the building

Answer

To regulate system water pressure automatically

Answer

To measure volumetric water flow through the system

Answer

To connect fire department hose lines directly to hydrants

Question 5

What extinguishing agent is used in Class D fire extinguishers for combustible metal fires?

Accepted Answer

Specialized dry powder formulated for the specific metal involved

Answer

Water mist

Answer

Multipurpose dry chemical

Answer

Halon 1211

Question 6

What is the purpose of a fire department connection (FDC) on a building?

Accepted Answer

To allow fire department pumpers to supplement water supply to the building's sprinkler or standpipe system

Answer

To drain excess water from the sprinkler system after a fire

Answer

To test the static pressure of the internal water system

Answer

To connect building fire alarms directly to the fire dispatch center