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Mechanical Engineering - Hydraulic Machines

Exercise : Hydraulic Machines - Section 3
31.
The undershot water wheels are those in which
the wheel runs entirely by the weight of water
the wheel runs entirely by the impulse of water
the wheel runs partly by the weight of water and partly by the impulse of water
none of the above
Answer: Option
Explanation:
No answer description is available. Let's discuss.
32.
A turbine is required to develop 1500 kW at 300 r.p.m. under a head of 150 m. Which of the following turbine should be used ?
Pelton wheel with one nozzle
Pelton wheel with two or more nozzles
Kaplan turbine
Francis turbine
Answer: Option
Explanation:
No answer description is available. Let's discuss.
33.
Which of the following pump is suitable for small discharge and high heads?
Centrifugal pump
Axial flow pump
Mixed flow pump
Reciprocating pump
Answer: Option
Explanation:
No answer description is available. Let's discuss.
34.
The gross or total head of the turbine is the __________ of the water levels at the head race and tail race.
sum
difference
product
Answer: Option
Explanation:
No answer description is available. Let's discuss.
35.
The specific speed of a centrifugal pump may be defined as the speed of an imaginary pump, identical with the given pump, which will discharge one litre of water, while it is being raised through a head of one metre.
True
False
Answer: Option
Explanation:
No answer description is available. Let's discuss.
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