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Hydraulics and Fluid Mechanics in ME

Hydraulics and Fluid Mechanics in ME
A uniform body 3 m long, 2 m wide and 1 m deep floats in water. If the depth of immersion is 0.6 m, then the weight of the body is

35.3 kN
None of these
3.53 kN
33.3 kN

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Hydraulics and Fluid Mechanics in ME
A jet of water is striking at the centre of a curved vane moving with a uniform velocity in the direction of jet. For the maximum efficiency, the vane velocity is ________ of the jet velocity

Three-fourth
One-half
One-third
Two-third

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Hydraulics and Fluid Mechanics in ME
Indicator diagram of a reciprocating pump is a graph between

Pressure vs. speed
Flow vs. swept volume
Pressure in cylinder vs. swept volume
Flow vs. speed

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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
The length of a liquid stream while flowing over a weir __________ at the ends of the sill.

Contracts
Does not change
Expands
None of these

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Hydraulics and Fluid Mechanics in ME
The loss of pressure head in case of laminar flow is proportional to

(Velocity)3
(Velocity)2
(Velocity)4
Velocity

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