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Hydraulics and Fluid Mechanics in ME

Hydraulics and Fluid Mechanics in ME
Which of the following instruments is used to measure flow on the application of Bernoulli’s theorem

Venturimeter
All of these
pitot tube
Orifice plate

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Hydraulics and Fluid Mechanics in ME
The discharge through a channel of circular section will be maximum when the depth of water is __________ the diameter of the circular channel.

0.67 times
0.34 times
0.81 times
0.95 times

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Hydraulics and Fluid Mechanics in ME
An impulse turbine is used for

Medium head of water
High head of water
High discharge
Low head of water

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Hydraulics and Fluid Mechanics in ME
The kinematic viscosity of an oil (in stokes) whose specific gravity is 0.95 and viscosity 0.011 poise, is

0.116 stoke
0.611 stoke
0.0116 stoke
0.0611 stoke

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Hydraulics and Fluid Mechanics in ME
Bulk modulus of a fluid is the ratio of

Increase in pressure to the volumetric strain
Critical velocity to the viscosity of fluid
Shear stress to shear strain
Increase in volume to the viscosity of fluid

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Hydraulics and Fluid Mechanics in ME
The surface tension of mercury at normal temperature is __________ that of water.

None of these
Higher than
Same as
Lower than

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