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Hydraulics and Fluid Mechanics in ME

Hydraulics and Fluid Mechanics in ME
A flow is called hyper-sonic, if the Mach number is

None of these
Between 1 and 6
Unity
Less than unity

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Hydraulics and Fluid Mechanics in ME
The total pressure on the surface of a vertical sluice gate 2 m x 1 m with its top 2 m surface being 0.5 m below the water level will be

2000 kg
1000 kg
1500 kg
500 kg

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Hydraulics and Fluid Mechanics in ME
The eddy viscosity for turbulent flow is

independent of the flow
a function of temperature only
a physical property of the fluid.
dependent on the flow

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Hydraulics and Fluid Mechanics in ME
A flow whose streamline is represented by a straight line, is called __________ dimensional flow.

Three
One
Two
Four

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Hydraulics and Fluid Mechanics in ME
Which of the following has highest coefficient of discharge ?

venturimeter
sharp edged orifice
CipoUetti weir
Borda’s mouthpiece running full

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Hydraulics and Fluid Mechanics in ME
The hydraulic efficiency of an impulse turbine is maximum when velocity of wheel is _______ of the jet velocity,

Double
One-fourth
Three-fourth
One-half

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