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Hydraulics and Fluid Mechanics in ME

Hydraulics and Fluid Mechanics in ME
The continuity equation is connected with

Steady/unsteady flow
Conservation of mass
Compressibility of fluids
Open channel/pipe flow

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Hydraulics and Fluid Mechanics in ME
Reciprocating pumps are no more to be seen in industrial applications (in comparison to centrifugal pumps) because of

Lower discharge
Necessity of air vessel
High initial and maintenance cost
Lower speed of operation

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Hydraulics and Fluid Mechanics in ME
The bulk modulus of elasticity

has the dimensions of 1/pressure
is large when fluid is more compressible
increases with pressure
is independent of pressure and viscosity

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Hydraulics and Fluid Mechanics in ME
A weir is said to be broad crested weir, if the width of the crest of the weir is ________ half the height of water above the weir crest.

Less than
None of these
More than
Equal to

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Hydraulics and Fluid Mechanics in ME
The specific weight of water is 1000 kg/m3

At normal pressure of 760 mm
At mean sea level
At 4°C temperature
All of the listed here

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Hydraulics and Fluid Mechanics in ME
An open tank containing liquid is moving with an acceleration on an inclined plane. The inclination of the free surface of the liquid will be __________ to the acceleration of the tank.

Equal to
Inversely proportional
Directly proportional
None of these

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