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FLUID MECHANICS

Fluid Mechanics
Priming of a centrifugal pump is done to

Increase the mass flow rate of fluid
None of these
Develop effective pressure rise by the pump
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

V-0.2
V2
V2.7
V1.8

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

Vane
Plunger
Centrifugal
Piston

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

None of these
More than
Less than
Same as

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

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

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