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Hydraulics and Fluid Mechanics in ME

Hydraulics and Fluid Mechanics in ME
Coefficient of discharge Cd is equal to (where Cc = Coefficient of contraction, Cv = Coefficient of velocity, and Cr = Coefficient of resistance)

Cv × Cr
Cc/Cr
Cc × Cv
Cc × Cr

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Hydraulics and Fluid Mechanics in ME
One stoke is equal to

10-4 m2/s
10-6 m2/s
10-3 m2/s
10-2 m2/s

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Hydraulics and Fluid Mechanics in ME
Center of pressure on an inclined plane is

Below the Centroid
At the Centroid
At metacentre
Above the Centroid

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Hydraulics and Fluid Mechanics in ME
A hydraulic accumulator normally consists of

Two cylinders, two rams and a storage device
A cylinder and a ram
Two coaxial rams and two cylinders
A cylinder, a piston, storage tank and control valve

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Hydraulics and Fluid Mechanics in ME
The pressure at a point 4 m below the free surface of water is

39.24 kPa
19.24 kPa
29.24 kPa
49.24 kPa

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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
0.015
0.025
0.01

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