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

Hydraulic Machines MCQ with Answers

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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

66) Geometric similarity is said to exist between the model and the prototype, if both of them

have identical velocities

are equal in size and shape

are identical in shape, but differ only in size

have identical forces

Answer is:

are identical in shape, but differ only in size

Hydraulic Machines MCQ with Answers

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

Increases

Hydraulic Machines MCQ with Answers

Related Hydraulic Machines MCQ with Answers

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

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

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

dynamic similarity

66) Geometric similarity is said to exist between the model and the prototype, if both of them

are identical in shape, but differ only in size

Hydraulic Machines MCQ with Answers