MCQOPTIONS
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				| 1. | 
                                    The hammer blow in pipes occurs when | 
                            
| A. | There is excessive leakage in the pipe | 
| B. | The pipe bursts under high pressure of fluid | 
| C. | The flow of fluid through the pipe is suddenly brought to rest by closing of the valve | 
| D. | The flow of fluid through the pipe is gradually brought to rest by closing of the valve | 
| Answer» D. The flow of fluid through the pipe is gradually brought to rest by closing of the valve | |