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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

pitot tube
All of these
Venturimeter
Orifice plate

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Hydraulics and Fluid Mechanics in ME
The Metacentric heights of two floating bodies A and B are 1 m and 1.5 m respectively. Select the correct statement.

The body B is more stable than body A
The bodies A and B have equal stability
The bodies A and B are unstable
The body A is more stable than body B

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Hydraulics and Fluid Mechanics in ME
The specific weight of sea water is __________ that of pure water.

Same as
None of these
Less than
More than

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Hydraulics and Fluid Mechanics in ME
The unit discharge through the turbine is

Q/H3/2
Q/H²
Q/H
Q/√H

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Hydraulics and Fluid Mechanics in ME
In a footstep bearing, if the speed of the shaft is doubled, then the torque required to overcome the viscous resistance will be

Four times
Sixteen times
Eight times
Double

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Hydraulics and Fluid Mechanics in ME
If the coefficient of discharge is 0.6, then the discharge over a right angled notch is

4.171 H5/2
1.417 H5/2
7.141 H5/2
0.417 H5/2

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