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Hydraulics and Fluid Mechanics in ME

Hydraulics and Fluid Mechanics in ME
All the terms of energy in Bernoulli’s equation have dimension of

work
energy
length
mass

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Hydraulics and Fluid Mechanics in ME
The specific weight of water is 1000 kg/m3

All of the listed here
At 4°C temperature
At normal pressure of 760 mm
At mean sea level

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

Torrential flow
Critical flow
Tranquil flow
Turbulent flow

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Hydraulics and Fluid Mechanics in ME
The ratio of the normal force of jet of water on a plate inclined at an angle of 30° as compared to that when the plate is normal to jet, is

1
√2
1/√2
43832

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Hydraulics and Fluid Mechanics in ME
The coefficient of discharge for an external mouthpiece depends upon

Pressure of liquid
Velocity of liquid
Area of mouthpiece
Length of mouthpiece

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Hydraulics and Fluid Mechanics in ME
A flow in which the volume of a fluid and its density does not change during the flow is called _________ flow.

None of these
Viscous
Compressible
Incompressible

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