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Fluid Mechanics

Fluid Mechanics
Laminar flow is characterised by the nonexistence of

Pressure fluctuation
All of these
Eddies
Deviating velocities

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

Same as
Less than
More than
None of these

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Fluid Mechanics
Check valve provided in the discharge line of a centrifugal pump serves the purpose of controlling the

Back flow of fluid in the event of stoppage of pump
Flow of liquid during operation of the pump
All of these
Discharge pressure

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Fluid Mechanics
The most suitable flow measuring device for the fluid flow measurement in a very large diameter pipeline is a

V-notch
Weir
Kennison nozzle
Pitot tube

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Fluid Mechanics
If three pipes of different diameters, lengths & friction factors are connected in parallel, then (where, Q = flow rate, V= fluid velocity f = friction factor).

Q₁ = Q₂ = Q₃
Q = Q₁ + Q₂ + Q₃
V₁ = V₂ = V₃
F = f₁ + f₂ + f₃

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Fluid Mechanics
Rotary vacuum pumps can reduce the absolute pressure to as low as __________ mm Hg.

0.1
1
0.01
0.001

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MORE MCQ ON Fluid Mechanics

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