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Hydraulics and Fluid Mechanics in ME

Hydraulics and Fluid Mechanics in ME
The value of bulk modulus of a fluid is required to determine

Froude's number
Euler's number
Mach number
Reynold's number

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Hydraulics and Fluid Mechanics in ME
The unit of kinematic viscosity in S. I. units is

N-m
N-s/m2
m2/s
N-m/s

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Hydraulics and Fluid Mechanics in ME
The pressure in the air space above an oil (sp. gr. 0.8) surface in a tank is 0.1 kg/cm". The pressure at 2.5 m below the oil surface will be

2 metres of water column
4 m of water column
3.5 metres of water column
3 metres of water column

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Hydraulics and Fluid Mechanics in ME
Pitot tube is used for measurement of

flow
velocity
dsscharge
pressure

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Hydraulics and Fluid Mechanics in ME
According to fan laws, for fans having constant wheel diameter, the pressure varies

Directly as fan speed
Square root of fan speed
Cube of fan speed
Square of fan speed

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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.

0.025
0.01
0.02
0.015

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