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Hydraulics and Fluid Mechanics in ME

Hydraulics and Fluid Mechanics in ME
According to Bazin's formula, the discharge over a rectangular weir is mL2g x H3/2 where m is equal to

0.003 + (0.405/H)
0.003 + (H/0.405)
0.405 + (H/0.003)
0.405 + (0.003/H)

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Hydraulics and Fluid Mechanics in ME
A hydraulic accumulator is a device used to store _________ energy which may be supplied to a machine later on.

None of these
Kinetic
Pressure
Strain

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Hydraulics and Fluid Mechanics in ME
In a venturi-flume, the flow takes place at

None of these
Absolute pressure
Atmospheric pressure
Gauge pressure

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Hydraulics and Fluid Mechanics in ME
The capillary rise at 20°C in a clean glass tube of 1 mm bore containing water is ap-proximately

5 mm
30 mm
20 mm
10 mm

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Hydraulics and Fluid Mechanics in ME
For laminar flow in circular pipes, the Darcy’s friction factor f is equal to

16/Re
None of these
32/ Re
64/ Re

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Hydraulics and Fluid Mechanics in ME
The unit of surface tension is

N/m3
N/m2
N/m
N-m

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