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Question

The cavitation and pitting can be prevented by creating which one of the following conditions?

A
Reducing the pressure head
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B
Reducing the velocity head
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C
Increasing the elevation head
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D
Reducing the piezometric head
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Solution

The correct option is B Reducing the velocity head
Cavitation occurs due to pressure falling below vapour pressure. Reducing the velocity head will increase pressure head and cavitation can be Prevented.

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