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Hydraulics and Fluid Mechanics in ME

Hydraulics and Fluid Mechanics in ME
An odd shaped body weighing 7.5 kg and occupying 0.01 m3 volume will be completely submerged in a fluid having specific gravity of

0.75
1.2
0.8
1

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

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

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Hydraulics and Fluid Mechanics in ME
According to Manning's formula, the discharge through an open channel is (where M = Manning's constant)

A × M × m1/2 × i2/3
A × M × m2/3 × i1/2
A1/2 × M2/3 × m × i
A2/3 × M1/3 × m × i

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Hydraulics and Fluid Mechanics in ME
The coefficient of viscosity may be determined by

Orifice type viscometer
All of these
Rotating cylinder method
Capillary tube method

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Hydraulics and Fluid Mechanics in ME
The force exerted (in Newton) by a jet of water impinging normally on a fixed plate is (where w = Specific weight of water in N/m3, a = Cross-sectional area of jet in m², and V = Velocity of jet in m/s)

waV / g
waV² / g
waV / 2g
waV² / 2g

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

pressure
flow
velocity
dsscharge

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MORE MCQ ON Hydraulics and Fluid Mechanics in ME

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