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Fluid Mechanics

Fluid Mechanics
Cd is always __________ Cc.

Equal to
Greater than
Either more or less than
Less than

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Fluid Mechanics
If two capillary tubes of dia 0.5 mm and 1 mm are dipped in a pot containing mercury, then the rise of mercury is

Same in both the tubes
Greater in 1 mm dia tube
Greater in 0.5 mm dia tube
Zero in both the tubes

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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

43832
>2
2

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Fluid Mechanics
Capillary tube method of viscosity measurement is based on the

Stoke's law
Navier-stokes equation
None of these
Hagen-Poiseulle's equation

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Fluid Mechanics
Volute type of casing is provided in a centrifugal pump to

Increase the discharge
Reduce the discharge fluctuation
Convert velocity head to pressure head
Convert pressure head to velocity head

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Fluid Mechanics
Velocity at a certain point in case of streamline flow is

Both A & B
Independent of time
Constant
Neither A nor B

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