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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.

Compressible
Incompressible
None of these
Viscous

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Hydraulics and Fluid Mechanics in ME
A large Reynold number is indication of

Smooth and streamline flow
Steady flow
Highly turbulent flow
Laminar flow

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

Have identical velocities
None of these
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
The power transmitted through the pipe is maximum when the head lost due to friction is equal to

One-half of the total supply head
Two-third of the total supply head
One-fourth of the total supply head
One-third of the total supply head

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Hydraulics and Fluid Mechanics in ME
A Francis turbine is used when the available head of water is

25 m to 250 m
Above 250 m
None of these
0 to 25 m

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Hydraulics and Fluid Mechanics in ME
An odd shaped body weighing 7.5 kg and occupying 0.01 m3 volume will be completely submerged in a fluid having specific gravity of

0.8
1
1.2
0.75

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