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Fluid Mechanics

Fluid Mechanics
The equivalent diameter for flow through a rectangular duct of width B and height H is

4HB/(H + B)
HB/(H + B)
HB/2(H + B)
2HB/(H + B)

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Fluid Mechanics
Volume of liquid displaced by a floating body is equivalent to its

Submerged volume
Submerged weight
Own weight
Own volume

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Fluid Mechanics
For laminar flow through a closed conduit

Vmax = Vav
Vmax = 1.5Vav
Vmax = 0.5Vav
Vmax = 2Vav

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

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

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Fluid Mechanics
Pressure gradient in the pipe flow is influenced by the

Velocity of the fluid
Diameter of pipe
All of these
Density & viscosity of the fluid

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Fluid Mechanics
Pressure drop in a fluidised bed reactor is __________ that in a similar packed bed reactor.

None of these
Less than
Same as
More than

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