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Hydraulics and Fluid Mechanics in ME

Hydraulics and Fluid Mechanics in ME
The atmospheric pressure at sea level is

103 kN/m2
All of these
10.3 m of water
760 mm of mercury

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Hydraulics and Fluid Mechanics in ME
All the terms of energy in Bernoulli’s equation have dimension of

energy
mass
work
length

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Hydraulics and Fluid Mechanics in ME
When a tube of smaller diameter is dipped in water, the water rises in the tube with an upward __________ surface.

None of these
Convex
Concave
Plane

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Hydraulics and Fluid Mechanics in ME
The discharge through a siphon spillway is

Cd × a × √(2g) × H2
Cd × a × √(2g) × H3/2
Cd × a × √(2gH)
Cd × a × √(2g) × H5/2

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Hydraulics and Fluid Mechanics in ME
Which of the following meters is not associated with viscosity

Engler
Say bolt
Red wood
Orsat

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Hydraulics and Fluid Mechanics in ME
The efficiency of a Pelton wheel working under constant head ________ with the increase in power.

Remain same
None of these
Decreases
Increases

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