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Hydraulics and Fluid Mechanics in ME

Hydraulics and Fluid Mechanics in ME
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)/60
2 L.A.N
L.A.N
(2 L.A.N)/60

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Hydraulics and Fluid Mechanics in ME
A Francis turbine is used when the available head of water is

25 m to 250 m
None of these
Above 250 m
0 to 25 m

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Hydraulics and Fluid Mechanics in ME
A weir, generally, used as a spillway of a dam is

Broad crested weir
Ogee weir
Narrow crested weir
Submerged weir

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Hydraulics and Fluid Mechanics in ME
If the depth of water in an open channel is greater than the critical depth, the flow is called

Turbulent flow
Critical flow
Tranquil flow
Torrential flow

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Hydraulics and Fluid Mechanics in ME
The jet ratio is defined as the ratio of the

Diameter of jet to the diameter of Pelton wheel
Velocity of jet to the velocity of Pelton wheel
Diameter of Pelton wheel to the diameter of jet
Velocity of Pelton wheel to the velocity of jet

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Hydraulics and Fluid Mechanics in ME
In one dimensional flow, the flow

Takes place in curve
Takes place in straight line
Takes place in one direction
Is steady and uniform

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MORE MCQ ON Hydraulics and Fluid Mechanics in ME

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