Irrigation第 8 / 100 题
Water hammer in an irrigation system is BEST reduced by which measure?
a.Increasing water velocity above 10 feet per second
b.Removing all valves
c.Using undersized pipe
d.Keeping velocity below about 5 feet per second and using slow-closing valves
解析
Water hammer is a pressure surge caused by fast-moving water stopping abruptly, often from quick-closing valves. Keeping design velocity at or below about 5 feet per second and using slow-closing solenoid valves reduces the surge. Oversized surges can burst pipe and fittings over time.
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