Virtual Labs

a: The centrifugal pump is suitable for large discharge and smaller heads b: The centrifugal pump requires less floor area and simple foundation as compared to reciprocating pump c: The efficiency of centrifugal pump is less as compared to reciprocating pump d: All the above

Delivery valve while starting centrifugal pump is kept

a: Fully open b: Fully closed c: Half open d: In any position

The correct sequence of the centrifugal pump components through which the fluid flows is

a: Impeller, Suction pipe, Foot valve and strainer, Delivery pipe b: Foot valve and strainer, Suction pipe, Impeller, Delivery pipe c: Impeller, Suction pipe, Delivery pipe, Foot valve strainer d: Suction pipe, Delivery pipe, Impeller, Foot valve and strainer

A centrifugal pump gives maximum efficiency when its blades are ____

a: Bent forward b: Bend backward c: Straight d: Wave shaped

The net positive suction head (NPSH) of a centrifugal pump is defined as the sum of the velocity head and the pressure head at the

a: Suction b: Discharge c: Suction minus vapour pressure of the liquid at suction temperature d: Discharge minus vapour pressure of the liquid at the discharge temperature

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