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Engineering
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ME Set-1
Hydraulic Machines
61

Hydraulic Machines MCQ with Answers

61) In order to avoid cavitation in centrifugal pumps

the suction pressure should be high

the delivery pressure should be high

the suction pressure should be low

the delivery pressure should be low

Answer is:

the suction pressure should be high

Hydraulic Machines MCQ with Answers

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Related Hydraulic Machines MCQ with Answers

62) The discharge of a centrifugal pump working under constant head ______ with the speed.

Increases

decreases

remain same

none of the above

Answer is:

Increases

63) Which of the following pump is generally used to pump highly viscous fluid ?

Centrifugal pump

Reciprocating pump

Air lift pump

Screw pump

Answer is:

Screw pump

64) If the ratio of all the corresponding linear dimensions are equal, then the model and the prototype are said to have

geometric similarity

kinematic similarity

dynamic similarity

none of these

Answer is:

geometric similarity

65) If the ratios of the corresponding forces acting at corresponding points are equal, then the model and the prototype are said to have

geometric similarity

kinematic similarity

dynamic similarity

none of these

Answer is:

dynamic similarity

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