24) In a centrifugal pump, when the impeller speed is doubled, head developed becomes
Answer is:
4 times
Related ISRO Technical Assistant Mechanical Question Paper - 2015 with Answer Key
Answer is:
DxD
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.
Answer is:
medium head application from 24 5o 180 m
Explanation:
Francis turbine is best suited for medium head application from 24 to 180 m.
Answer is: