When used with a smooth bore nozzle, a nozzle control valve that causes turbulence when partially open which can affect the quality of a fire stream is the:
A) ball valve.
B) slide valve.
C) standpipe valve.
D) rotary control valve.

Question

Quizplus · Accepted Answer

The ball valve, when partially open, can cause turbulence in the water flow, which affects the quality of the fire stream. This is because the design of a ball valve partially obstructs the water flow when not fully open, leading to turbulence.

When Used with a Smooth Bore Nozzle, a Nozzle Control