Hydraulic Machines MCQ with Answers

Hydraulic Machines MCQ with Answers

61) In order to avoid cavitation in centrifugal pumps

Answer is:

the suction pressure should be high

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

Answer is:

Increases

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

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

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

Answer is:

dynamic similarity

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