Mechanical Engineering:: Hydraulic Machines

The ratio of quantity of liquid discharged per second from the pump to the quantity of liquid passing per second through the impeller is known as

A. manometric efficiency
B. mechanical efficiency
C overall efficiency
D. volumetric efficiency

The breast water wheels are those in which the wheel runs partly by the weight of water and partly by the impulse of water.

A. True B. False

The maximum efficiency of jet propulsion of a ship with inlet orifices at right angles to the direction of motion of ship, is

A. 40% B. 50%
C. 60% D. 80%

The capacity of a hydraulic accumulator is generally specified as the maximum amount of energy stored.

A. True B. False

In an impulse turbine, the jet of water impinges on the bucket with a low velocity and after flowing over the vanes, leaves with a high velocity.

A. True
B. False

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