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Mechanical Engineering - Hydraulic Machines

Exercise : Hydraulic Machines - Section 2
31.
In a centrifugal pump, the water enters the impeller __________ and leaves the vanes axially.
axially
radially
Answer: Option
Explanation:
No answer description is available. Let's discuss.
32.
A Kaplan turbine is an axial flow reaction turbine.
Correct
Incorrect
Answer: Option
Explanation:
No answer description is available. Let's discuss.
33.
A Pelton wheel develops 1750 kW under a head of 100 metres while running at 200 r.p.m. and discharging 2500 litres of water per second. The unit speed of the wheel is
10 r.p.m.
20 r.p.m.
40 r.p.m.
80 r.p.m.
Answer: Option
Explanation:
No answer description is available. Let's discuss.
34.
The hydraulic efficiency of an impulse turbine is maximum when velocity of wheel is __________ of the jet velocity,
one-fourth
one-half
three-fourth
double
Answer: Option
Explanation:
No answer description is available. Let's discuss.
35.
The specific speed of a hydraulic turbine depends upon
speed and power developed
discharge and power developed
speed and head of water
speed, power developed and head of water
Answer: Option
Explanation:
No answer description is available. Let's discuss.
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