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Hydraulics and Fluid Mechanics in ME

Hydraulics and Fluid Mechanics in ME
The distance y from pipe boundary, at which the point velocity is equal to average velocity for turbulent flow, is (where R is radius of pipe)

0.707 R
0.423 R
0.577 R
0.223 R

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Hydraulics and Fluid Mechanics in ME
The velocity of the liquid flowing through the divergent portion of a Venturimeter

Decreases
Depends upon mass of liquid
Remains constant
Increases

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Hydraulics and Fluid Mechanics in ME
The critical depth meter is used to measure

Velocity of flow in an open channel
Depth of flow in an open channel
Hydraulic jump
Depth of channel

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Hydraulics and Fluid Mechanics in ME
A submerged body is said to be in a stable equilibrium, if its centre of gravity __________ the centre of buoyancy.

Lies above
Coincides with
None of these
Lies below

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Hydraulics and Fluid Mechanics in ME
Water is _________ liquid.

A compressible
An incompressible
None of these
Both A and B

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

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