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Mechanical Engineering - Hydraulic Machines

Exercise : Hydraulic Machines - Section 2
41.
The power developed by a turbine is (where H = Head of water under which the turbine is working)
directly proportional to H1/2
inversely proportional to H1/2
directly proportional to H3/2
inversely proportional to H3/2
Answer: Option
Explanation:
No answer description is available. Let's discuss.
42.
If V1 and V2 are the velocities of water at inlet and outlet of the draft tube respectively, then the efficiency of a draft tube is
Answer: Option
Explanation:
No answer description is available. Let's discuss.
43.
A jet of water enters and leaves a fixed curved vane tangentially. The force of jet along perpendicular to the vane is zero.
True
False
Answer: Option
Explanation:
No answer description is available. Let's discuss.
44.
In a mixed flow centrifugal pump, the flow through the impeller is a combination of radial and axial flows.
Correct
Incorrect
Answer: Option
Explanation:
No answer description is available. Let's discuss.
45.
A Pelton wheel is
tangential flow impulse turbine
inward flow impulse turbine
outward flow impulse turbine
inward flow reaction turbine
Answer: Option
Explanation:
No answer description is available. Let's discuss.
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