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Mechanical Engineering - Hydraulic Machines

Exercise : Hydraulic Machines - Section 4
11.
The width of the bucket for a Pelton wheel is generally __________ the diameter of jet.
double
three times
four times
five times
Answer: Option
Explanation:
No answer description is available. Let's discuss.
12.
The efficiency of jet propulsion for a ship with inlet orifices at right angles to the direction of motion of ship is given by
Answer: Option
Explanation:
No answer description is available. Let's discuss.
13.
Which of the following statement is correct ?
The centrifugal pump is suitable for large discharge and smaller heads.
The centrifugal pump requires less floor area and simple foundation as compared to reciprocating pump.
The efficiency of centrifugal pump is less as compared to reciprocating pump.
all of the above
Answer: Option
Explanation:
No answer description is available. Let's discuss.
14.
For 450 m head of water, __________ shallbeused.
Pelton wheel
Kaplan turbine
Francis turbine
none of these
Answer: Option
Explanation:
No answer description is available. Let's discuss.
15.
The action of a centrifugal pump is that of a reversed reaction turbine.
Correct
Incorrect
Answer: Option
Explanation:
No answer description is available. Let's discuss.
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