Air vessels in reciprocating pump are used to - Hydraulics and Fluid Mechanics Quiz

Mechanical Engineering : Hydraulics and Fluid Mechanics - Quiz(MCQ)

Air vessels in reciprocating pump are used to

Smoothen flow

Increase pump efficiency

Save pump from cavitations

Reduce acceleration to minimum

Correct Answer : Option (D) : Reduce acceleration to minimum

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Free surface of a liquid tends to contract to the smallest possible area due to force of

Friction

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Viscosity

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Correct Answer : Surface tension

Which of the following turbine is preferred for a specific speed of 60 to 300 r.p.m.?

Kaplan turbine

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None of the above

Correct Answer : Francis turbine

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Specific gravity

Specific weight

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Correct Answer : Specific gravity