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Hydraulics and Fluid Mechanics in ME

Hydraulics and Fluid Mechanics in ME
A notch is used to measure __________ of liquids.

Volume
Discharge
Velocity
Pressure

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Hydraulics and Fluid Mechanics in ME
According to fan laws, for the fans having constant wheel diameters, the power demand varies

Cube of fan speed
Square of fan speed
Square root of fan speed
Directly as fan speed

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Hydraulics and Fluid Mechanics in ME
The angle of contact in case of a liquid depends upon

both of die above
any one of the above
the nature of the liquid and the solid
the material which exists above the free surface of the liquid

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Hydraulics and Fluid Mechanics in ME
Kinematic viscosity is dependent upon

Density
Pressure
Distance
Flow

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Hydraulics and Fluid Mechanics in ME
A Pelton wheel working under a constant head and discharge, has maximum efficiency when the speed ratio is

0.36
0.26
0.46
0.56

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Hydraulics and Fluid Mechanics in ME
During the opening of a valve in a pipe line, the flow is

Laminar
Uniform
Unsteady
Steady

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