# Mechanical Engineering - Hydraulic Machines

### Exercise :: Hydraulic Machines - Section 1

41.

The speed of an imaginary turbine, identical with the given turbine, which will develop a unit power under a unit head, is known as

 A. normal speed B. unit speed C. specific speed D. none of these

Explanation:

No answer description available for this question. Let us discuss.

42.

For centrifugal pump impeller, the maximum value of the vane exit angle is

 A. 10° to 15° B. 15° to 20° C. 20° to 25° D. 25° to 30°

Explanation:

No answer description available for this question. Let us discuss.

43.

In a reaction turbine, the pressure head of water, while flowing over the vanes, is converted into kinetic head before leaving the wheel.

 A. Agree B. Disagree

Explanation:

No answer description available for this question. Let us discuss.

44.

Manometric head, in case of a centrifugal pump, is equal to

 A. Suction lift + Loss of head in suction pipe due to friction + Delivery lift + Loss of head in delivery pipe due to friction + Velocity head in the delivery pipe B. Workdone per kN of water - Losses within the impeller C. Energy per kN at outlet of impeller - Energy per kN at inlet of impeller D. all of the above

Explanation:

No answer description available for this question. Let us discuss.

45.

The force exerted by a jet of water (in a direction normal to flow) impinging on a fixed plate inclined at an angle θ with the jet is

 A. B. C. D.