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Hydraulics and Fluid Mechanics in ME

Hydraulics and Fluid Mechanics in ME
Bernoulli's equation is applied to

Orifice meter
Pitot tube
Venturimeter
All of the listed here

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Hydraulics and Fluid Mechanics in ME
Fluid is a substance which offers no resistance to change of

Volume
Flow
Shape
Pressure

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Hydraulics and Fluid Mechanics in ME
When the coefficient of discharge (Cd) is 0.623, then the general equation for discharge over a rectangular weir is

1.84(L - 0.1nH)H3/2
1.84(L - nH)H3
1.84(L - 0.1nH)H5/2
1.84(L - nH)H2

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Hydraulics and Fluid Mechanics in ME
Air vessels in reciprocating pump are used to

Increase pump efficiency
Reduce acceleration to minimum
Save pump from cavitations
Smoothen flow

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Hydraulics and Fluid Mechanics in ME
The force exerted by a jet of water impinging normally on a plate which due to the impact of jet, moves in the direction of jet with a velocity v is

[wa (V - v)]/g
[wa (V - v²)]/g
[wa (V - v)]/2g
[wa (V - v)²]/2g

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Hydraulics and Fluid Mechanics in ME
The water pressure per metre length on a vertical masonry wall of dam is (where w = Specific weight of the liquid, and H = Height of the liquid)

wH2/4
wH
wH/2
wH2/2

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MORE MCQ ON Hydraulics and Fluid Mechanics in ME

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