Civil Engineering - UPSC Civil Service Exam Questions - Discussion


Two geometrically similar pumps are running at the same speed of 1000 r.p.m. and lifting water against the heads of 25 m and 16 m respectively. First pump is having an impeller diameter of 300 mm. The impeller diameter of second pump shall be

[A]. 192 mm
[B]. 240 mm
[C]. 300 mm
[D]. 469 mm

Answer: Option B


No answer description available for this question.

Moni said: (Nov 23, 2018)  
It is H1/H2 = (D1/DE)^2.

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