A liquid is pumped at the rate of 600 litres using 1000 rpm. If the rpm is changed to 1100, the liquid pumped is _____________ litres?
Correct answer: B. 660
- A. 600
- B. 660
- C. 1.1
- D. 60
Explanation
For a positive-displacement pump under comparable conditions, volumetric flow is approximately proportional to speed. Thus, 600 multiplied by 1100/1000 gives 660 litres.
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