42) In a centrifugal pump, the water enters the impeller ______ and leaves the vanes axially.

Axially

radially

vertically

None of the above

Answer is:

radially

Hydraulic Machines MCQ with Answers

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43) The impeller of a centrifugal pump may have

volute casing

volute casing with guide blades

vortex casing

any one of these

Answer is:

any one of these

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

casing

delivery pipe

suction pipe

impeller

Answer is:

delivery pipe

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

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42) In a centrifugal pump, the water enters the impeller ______ and leaves the vanes axially.

radially

Hydraulic Machines MCQ with Answers

Related Hydraulic Machines MCQ with Answers

43) The impeller of a centrifugal pump may have

any one of these

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

delivery pipe

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

Hydraulic Machines MCQ with Answers