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Q. |
causes hoop tension in pipe shell. |
A. | internal water pressure |
B. | external water pressure |
C. | water hammer |
D. | longitudinal stress |
Answer» A. internal water pressure | |
Explanation: internal water pressure causes hoop tension in pipe shell and its magnitude is given by f = pd/2t where p is the internal pressure of water, d is the diameter of the pipe and t is the thickness of pipe shell. |
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