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Fluid Mechanics

Fluid Mechanics
The simple pitot tube measures the __________ pressure.

Dynamic
Static
None of these
Total

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Fluid Mechanics
Scale up of agitator design requires

Dynamic similarity only
Geometrical similarity only
Both geometrical and dynamic similarity
All of these

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Fluid Mechanics
Permanent loss in a venturimeter is about __________ percent of the pressure drop in theupstream cone.

10
40
70
1

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Fluid Mechanics
Laminar flow is characterised by the nonexistence of

Eddies
Pressure fluctuation
Deviating velocities
All of these

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Fluid Mechanics
For water, when the pressure increases, the viscosity

Decreases
Remains constant
First decreases, and then increases
Also increases

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Fluid Mechanics
For Laminar flow through a packed bed, the pressure drop is proportional to (Vs is the superficial liquid velocity and Dp is the particle diameter)

Vs/Dp³
Vs/Dp²
Vs²/Dp²
Vs²/Dp³

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