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Hydraulics and Fluid Mechanics in ME

Hydraulics and Fluid Mechanics in ME
The distance y from pipe boundary, at which the point velocity is equal to average velocity for turbulent flow, is (where R is radius of pipe)

0.577 R
0.707 R
0.223 R
0.423 R

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Hydraulics and Fluid Mechanics in ME
Barometer is used to measure

Pressure in pipes, channels etc.
Very low pressure
Difference of pressure between two points
Atmospheric pressure

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Hydraulics and Fluid Mechanics in ME
A square surface 3 m x 3 m lies in a vertical line in water pipe its upper edge at vater surface. The hydrostatic force on square surface is

27,000 kg
13,500 kg
9,000 kg
18,000 kg

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Hydraulics and Fluid Mechanics in ME
The specific speed of a centrifugal pump, delivering 750 liters of water per second against a head of 15 meters at 725 r.p.m., is

82.4 r.p.m.
48.2 r.p.m
248 r.p.m
24.8 r.p.m.

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Hydraulics and Fluid Mechanics in ME
The value of coefficient of velocity for a sharp edged orifice __________ with the head of water.

Remain same
Decreases
Increases
None of these

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Hydraulics and Fluid Mechanics in ME
An average value of coefficient of velocity is

0.76
0.84
0.97
0.62

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MORE MCQ ON Hydraulics and Fluid Mechanics in ME

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