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Hydraulic Machines

Q1:

Discharge of a centrifugal pump is

A directly proportional to diameter of its impeller

B inversely proportional to diameter of its impeller

C directly proportional to (diameter)2 of its impeller

D inversely proportional to (diameter)2 of its impeller

ANS:C - directly proportional to (diameter)2 of its impeller

Explanation: Discharge of a centrifugal pump is directly proportional to (Diameter)^2 of its impeller. Head of a centrifugal pump is directly proportional to (Diameter)^2 of its impeller. Power Developed of a centrifugal pump is directly proportional to (Diameter)^4 of its impeller.



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