The percentage slip in a reciprocating pump set is given by the % of (where, Q1 = actual discharge Q2 = theoretical discharge) ?
Correct answer: D. (Q2 - Q1)/Q2
- A. Q1/Q2
- B. Q2/Q1
- C. (Q2 - Q1)/Q1
- D. (Q2 - Q1)/Q2
Explanation
Slip is the loss of discharge relative to the theoretical discharge, so percentage slip is 100 times (Q2 − Q1)/Q2. Dividing by actual discharge would give a different, nonstandard percentage.
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