Which of the following statements about slide valves is MOST accurate?
A. Slide valves permit water to flow without creating turbulence.
B. Slide valves use an exterior barrel guided by a screw and sliding along an interior barrel.
C. Slide valves control both the flow of water and the discharge pattern of the fire stream.
D. Slide valves use a ball with a smooth waterway that rotates 90 degrees to control the flow of water.
A
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