Actual lift of a pump is always less than the theoretical lift and is limited by the__________________________?
Correct answer: B. All A., B. and C.
- A. Specific gravity & temperature of the liquid
- B. All A., B. and C.
- C. Frictional resistance through pipes, fittings & passages
- D. Leakage & pressure decreasing at higher elevations
Explanation
The actual lift is reduced by leakage, friction in pipes and fittings, and changes in liquid pressure caused by elevation, while liquid properties such as specific gravity and temperature also affect lifting conditions. Thus all the listed factors can limit the lift.
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