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Hydraulics and Fluid Mechanics in ME

Hydraulics and Fluid Mechanics in ME
The value of coefficient of discharge is __________ the value of coefficient of velocity.

Same as
Less than
More than
None of these

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Hydraulics and Fluid Mechanics in ME
Bulk modulus of a fluid is the ratio of

Critical velocity to the viscosity of fluid
Increase in pressure to the volumetric strain
Increase in volume to the viscosity of fluid
Shear stress to shear strain

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Hydraulics and Fluid Mechanics in ME
The factional resistance of a pipe varies approximately with __________ of the liquid.

Square of velocity
Pressure
Velocity
Cube of velocity

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Hydraulics and Fluid Mechanics in ME
In a forced vortex, the velocity of flow everywhere within the fluid is

minimum
maximum
zero
non-zero finite

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

Volume
Velocity
Discharge
Pressure

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Hydraulics and Fluid Mechanics in ME
In order to avoid tendency of separation at throat in a Venturimeter, the ratio of the diameter at throat to the diameter of pipe should be

1/8 to 1/4
1/4 to 1/3
1/3 to 1/2
1/16 to 1/8

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