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Hydraulics and Fluid Mechanics in ME

Hydraulics and Fluid Mechanics in ME
Which of the following instrument can be used for measuring speed of a submarine moving in deep sea

hot wire anemometer
Venturimeter
pitot tube
rotameter

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Hydraulics and Fluid Mechanics in ME
The stability of a dam is checked for

All of these
Sliding of the wall or dam
Overturning of the wall or dam
Tension at the base

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Hydraulics and Fluid Mechanics in ME
Differential monometer is used to measure

difference of pressure between two points
atmospheric pressure
very low pressure
pressure in pipes, channels etc

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Hydraulics and Fluid Mechanics in ME
Units of surface tension are

distance
energy/unit area
it has no units
both of the above

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Hydraulics and Fluid Mechanics in ME
An error of 1% in measuring head over the apex of the notch (H) will produce an error of _________ in discharge over a triangular notch.

0.02
0.01
0.015
0.025

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Hydraulics and Fluid Mechanics in ME
The power developed by a turbine is (where H = Head of water under which the turbine is working)

Inversely proportional to H1/2
Directly proportional to H3/2
Inversely proportional to H3/2
Directly proportional to H1/2

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