General Studies · Fluid Machinery

Which of the following statements is correct about negative slip in a reciprocating pump?

Verified Solution4 OptionsUpdated: October 2026👁️1 View

1Negative slip occurs only when the pump is operating at very low speeds.
2Negative slip occurs with a long suction pipe and a short delivery pipe in a pump running at high speed.✓
3Negative slip cannot occur in a reciprocating pump.
4The coefficient of discharge of a reciprocating pump is always less than 1 in case of negative slip.

Correct answer

Negative slip occurs with a long suction pipe and a short delivery pipe in a pump running at high speed.

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