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Hydraulics and Fluid Mechanics in ME

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.

Incompressible
Compressible
None of these
Viscous

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Hydraulics and Fluid Mechanics in ME
Kinematic similarity is said to exist between the model and the prototype, if both of them

Have identical forces
Have identical velocities
Are identical in shape, but differ only in size
Are equal in size and shape

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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

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

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Hydraulics and Fluid Mechanics in ME
A vessel of 4 m3 contains oil which weighs 30 kN. The specific weight of the oil is

7.5 kN/m3
4.5 kN/m3
10 kN/m3
6 kN/m3

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Hydraulics and Fluid Mechanics in ME
Bernoulli's equation is applied to

All of the listed here
Pitot tube
Venturimeter
Orifice meter

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Hydraulics and Fluid Mechanics in ME
The velocity at which the laminar flow stops, is known as

Lower critical velocity
Velocity of approach
None of these
Higher critical velocity

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