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FLUID MECHANICS

Fluid Mechanics
Priming of a centrifugal pump is done to

Increase the mass flow rate of fluid
Develop effective pressure rise by the pump
None of these
Avoid chances of separation inside the impeller

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Fluid Mechanics
Pressure drop (Δp) for a fluid flowing in turbulent flow through a pipe is a function of velocity (V) as

V1.8
V2
V2.7
V-0.2

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Fluid Mechanics
__________ pump is the most suitable device for discharging a liquid against a pressure of ≥ 1500 kgf/cm².

Centrifugal
Piston
Plunger
Vane

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

More than
Same as
None of these
Less than

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Fluid Mechanics
The terminal velocity of a small sphere settling in a viscous fluid varies as the

Square of the difference in specific weights of solid & fluid
Inverse of the fluid viscosity
Inverse square of the diameter
First power of its dimeter

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