hydraulic machines MCQs – Page 4

Practise focused hydraulic machines questions with marked answers for exam preparation and subject revision.

hydraulic machines Mcqs
61. According to fan laws, for fans having constant wheel diameter, the pressure varies________________?
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A. square root of fan speed

B. directly as fan speed

C. square of fan speed

D. none of the above

E. cube of fan speed

62. The specific speed of turbine is defined as the speed of a unit___________________?
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A. of such a size that it delivers unit dis-charge at unit power

B. of such a size that it produces unit horse power with unit head

C. none of the above

D. of such a size that it requires unit power per unit head

E. of such a size that it delivers unit dis-charge at unit head