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| Q. |
Hammer blow in pipe occurs when |
| A. | Flow of fluid through pipe is suddenly brought to rest by the closing of the valve |
| B. | Pipe bursts under high fluid pressure |
| C. | Flow of fluid through pipe is gradually brought to rest by the closing of valve |
| D. | Excessive leakage occurs in pipe |
| E. | Pipe is hit with hammer |
| Answer» A. Flow of fluid through pipe is suddenly brought to rest by the closing of the valve | |
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