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Mechanical Engineering - Hydraulic Machines

Exercise : Hydraulic Machines - Section 1
26.
The discharge of a double acting reciprocating pump is (where L = Length of stroke, A = Cross-sectional area of piston, and N = Speed of crank in r.p.m.)
L.A.N
2 L.A.N
Answer: Option
Explanation:
No answer description is available. Let's discuss.
27.
Which of the following turbine is preferred for 0 to 25 m head of water?
Pelton wheel
Kaplan turbine
Francis turbine
none of these
Answer: Option
Explanation:
No answer description is available. Let's discuss.
28.
The speed ratio of a Francis turbine is defined as the ratio of the theoretical jet velocity to the peripheral speed at inlet.
Yes
No
Answer: Option
Explanation:
No answer description is available. Let's discuss.
29.
The overall efficiency of a reaction turbine is the ratio of
power produced by the turbine to the energy actually supplied by the turbine
actual work available at the turbine to the energy imparted to the wheel
workdone on the wheel to the energy (or head of water) actually supplied to the turbine
none of the above
Answer: Option
Explanation:
No answer description is available. Let's discuss.
30.
Work done by a turbine __________ upon the weight of water flowing per second.
depends
does not depend
Answer: Option
Explanation:
No answer description is available. Let's discuss.
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