Select the best answer for the question. Which of the following actions could create a water hammer?
A. Quickly closing a valve
B. Replacing steel pipes with copper
C. Relocating a steam trap
D. Venting the expansion tank
Answer (2)
Water hammer is caused by sudden changes in water flow, notably by quickly closing a valve. This abrupt action generates pressure waves in pipes, leading to the phenomenon. Other options do not typically result in water hammer. ;
Water hammer occurs when there is a sudden change in water flow, and the action that creates this effect is quickly closing a valve. Other options provided do not cause water hammer. Therefore, the best answer is A. Quickly closing a valve.
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