A)
2/3 Cd x b√2gH
B)
23 Cd x b√2g x H
C)
2/3 Cd x b√2g x H2
D)
2/3 Cd x b√2g x H3/2

Correct Answer : Option () :  

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Free surface of a liquid tends to contract to the smallest possible area due to force of
A)
Friction
B)
Surface tension
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D)
Cohesion

Correct Answer :   Surface tension

Which of the following turbine is preferred for a specific speed of 60 to 300 r.p.m.?
A)
Kaplan turbine
B)
Pelton wheel
C)
Francis turbine
D)
None of the above

Correct Answer :   Francis turbine

If 850 kg liquid occupies volume of one cubic meter, men 0.85 represents its
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Specific mass
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Specific gravity
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Specific weight
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Correct Answer :   Specific gravity

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