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Hydraulics and Fluid Mechanics in ME

Hydraulics and Fluid Mechanics in ME
The width of the bucket for a Pelton wheel is generally ________ the diameter of jet.

Double
Three times
Four times
Five times

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Hydraulics and Fluid Mechanics in ME
The hydraulic grade line is

All of these
never above the energy grade line
always sloping downward in the direction of flow
always above the centre line of pipe

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Hydraulics and Fluid Mechanics in ME
If mercury in a barometer is replaced by water, the height of 3.75 cm of mercury will be following cm of water

50 cm
52.2 cm
52 cm
51 cm

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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
Plane
Convex
Concave

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Hydraulics and Fluid Mechanics in ME
The pressure less than atmospheric pressure is known as

All of the listed here
Suction pressure
Negative gauge pressure
Vacuum pressure

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Hydraulics and Fluid Mechanics in ME
In order to increase sensitivity of U-tube manometer, one leg is usually inclined by angle 'θ'. Sensitivity of inclined tube to sensitivity of U-tube is equal to

1/Cosθ
Sinθ
1/Sinθ
Cos θ

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