44) In a centrifugal pump, the regulating valve is provided on the

casing

delivery pipe

suction pipe

impeller

Answer is:

delivery pipe

Hydraulic Machines MCQ with Answers

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45) The static head of a centrifugal pump is equal to the _____ of suction head and delivery head

product

difference

sum

none of the above

Answer is:

sum

46) Mechanical efficiency of a centrifugal pump is the ratio of

energy available at the impeller to the energy supplied to the pump by the prime mover

actual work done by the pump to the energy supplied to the pump by the prime mover

energy supplied to the pump to the energy available at the impeller

manometric head to the energy supplied by the impeller per kN of water

Answer is:

energy available at the impeller to the energy supplied to the pump by the prime mover

47) Overall efficiency of a centrifugal pump is the ratio of

energy available at the impeller to the energy supplied to the pump by the prime mover

actual work done by the pump to the energy supplied to the pump by the prime mover

energy supplied to the pump to the energy available at the impeller

manometric head to the energy supplied by the impeller per kN of water

Answer is:

actual work done by the pump to the energy supplied to the pump by the prime mover

48) The ratio of quantity of liquid discharged per second from the pump to the quantity of liquid passing per second through the impeller is known as

manometric efficiency

mechanical efficiency

overall efficiency

volumetric efficiency

Answer is:

volumetric efficiency

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44) In a centrifugal pump, the regulating valve is provided on the

delivery pipe

Hydraulic Machines MCQ with Answers

Related Hydraulic Machines MCQ with Answers

45) The static head of a centrifugal pump is equal to the _____ of suction head and delivery head

sum

46) Mechanical efficiency of a centrifugal pump is the ratio of

energy available at the impeller to the energy supplied to the pump by the prime mover

47) Overall efficiency of a centrifugal pump is the ratio of

actual work done by the pump to the energy supplied to the pump by the prime mover

48) The ratio of quantity of liquid discharged per second from the pump to the quantity of liquid passing per second through the impeller is known as

volumetric efficiency

Hydraulic Machines MCQ with Answers