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What is the full form of NPSH?

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+1 vote
in Fluid Mechanics by (118k points)
What is the full form of NPSH?

(a) Net pipe suction head

(b) Net positive suction head

(c) Non-positive suction head

(d) Non-polar suction head

I got this question in semester exam.

Query is from Effect of Acceleration in  Suction and Delivery Pipes on Indicator Diagrams topic in chapter Indicator Diagrams of Fluid Mechanics

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The correct choice is (b) Net positive suction head

To explain: The full form of NPSH is net positive suction head. It is defined as the margin of pressure over vapour pressure. It happens at the pump suction nozzle.

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