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Hydraulics and Fluid Mechanics in ME

Hydraulics and Fluid Mechanics in ME
If the coefficient of discharge is 0.6, then the discharge over a right angled notch is

7.141 H5/2
4.171 H5/2
0.417 H5/2
1.417 H5/2

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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

None of these
33.3 kN
3.53 kN
35.3 kN

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Hydraulics and Fluid Mechanics in ME
When the Mach number is more than 6, the flow is called

Sonic flow
Sub-sonic flow
Hyper-sonic flow
Super-sonic flow

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Hydraulics and Fluid Mechanics in ME
The viscosity of a gas

is independent of pressure for very high pressure intensities
decreases with increase in temperature
increases with increase in temperature
is independent of temperature

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Hydraulics and Fluid Mechanics in ME
The force present in a moving liquid is

Viscous force
All of these
Gravity force
Inertia force

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Hydraulics and Fluid Mechanics in ME
The volumetric change of the fluid caused by a resistance is known as

Volumetric index
Volumetric strain
Compressibility
Adhesion

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