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Fluid Mechanics

Fluid Mechanics
Momentum transfer in laminar flow of fluids results due to the

Density
None of these
Velocity gradient
Viscosity

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Fluid Mechanics
Water hammer is caused, when water flowing in a pipe is suddenly brought to rest by closing the valve. The extent of pressure thus produced due to water hammer depends on the

Time taken to close the valve
All of these
Fluid velocity in the pipe
Pipe length

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Fluid Mechanics
Boundary layer separation occurs when the

Pressure reaches a minimum
Valve is closed in a pipeline
Cross-section of the channel is reduced
Velocity of sound is reached

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Fluid Mechanics
The capacity of an accumulator is the maximum

None of these
Energy which it can store
Liquid which it can store
Discharge which it can deliver

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Fluid Mechanics
For laminar flow of a shear thinning liquid in a pipe, if the volumetric flow rate is doubled, the pressure gradient will increase by a factor of

>2
2
43832

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Fluid Mechanics
The __________ pressure is measured by a static tube.

Dynamic
None of these
Total
Static

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