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Hydraulics and Fluid Mechanics in ME

Hydraulics and Fluid Mechanics in ME
The coefficient of discharge for an external mouthpiece depends upon

Pressure of liquid
Velocity of liquid
Area of mouthpiece
Length of mouthpiece

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Hydraulics and Fluid Mechanics in ME
The depth of the center of pressure on a vertical rectangular gate 8 m wide and 6 m high, when the water surface coincides with the top of the gate, is

2.4 m
2.5 m
3.0 m
4.0 m

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Hydraulics and Fluid Mechanics in ME
Falling drops of water become spheres due to the property of

surface tension
viscosity
cohesion
adhesion

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Hydraulics and Fluid Mechanics in ME
A differential manometer is used to measure

Pressure in Venturimeter
Atmospheric pressure
Difference of pressures between two points in a pipe
Pressure in pipes and channels

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Hydraulics and Fluid Mechanics in ME
Maximum impulse will be developed in hydraulic ram when

Waste valve closes suddenly
Supply pipe is short
Supply pipe is long
Ram chamber is large

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Hydraulics and Fluid Mechanics in ME
An internal mouthpiece is said to be running free if the length of the mouthpiece is __________ the diameter of the orifice.

More than twice
Less than twice
Less than three times
More than three times

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