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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
normal speed
unit speed
specific speed
none of these
Answer: Option
Explanation:
No answer description is available. Let's discuss.
42.
For centrifugal pump impeller, the maximum value of the vane exit angle is
10° to 15°
15° to 20°
20° to 25°
25° to 30°
Answer: Option
Explanation:
No answer description is available. Let's 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.
Agree
Disagree
Answer: Option
Explanation:
No answer description is available. Let's discuss.
44.
Manometric head, in case of a centrifugal pump, is equal to
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
Workdone per kN of water - Losses within the impeller
Energy per kN at outlet of impeller - Energy per kN at inlet of impeller
all of the above
Answer: Option
Explanation:
No answer description is available. Let's 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
Answer: Option
Explanation:
No answer description is available. Let's discuss.
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