Water hammer is caused, when water flowing in a pipe is suddenly brought to rest by closing the valve. The extent of pressure thus produced due to water hammer depends on the___________________?
Correct answer: C. All A., B. and C.
- A. Pipe length
- B. Fluid velocity in the pipe
- C. All A., B. and C.
- D. Time taken to close the valve
Explanation
Water-hammer pressure is influenced by the velocity change and valve-closing time, while pipe length affects whether closure is rapid relative to the pressure-wave travel time. Thus all three listed factors can affect the resulting pressure.
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