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Fluid Mechanics

Fluid Mechanics
Cp/Cv is termed as

Mach number
Adiabatic constant
Prandtl number
Weber number

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Fluid Mechanics
As the velocity V and thus the Reynolds number of a flow past a sphere increases from very low value, the drag force for Re << 1

Decreases as V²
None of these
Increases linearly with V
Decreases linearly with V

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Fluid Mechanics
The unit of dynamic viscosity in SI unit is

m/N. sec
m² /sec
N/m²
kg/m . sec

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Fluid Mechanics
Two dimensional stream function

Relates velocity and pressure
None of these
Is constant along a stream line
Is constant along an equipotential surface

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Fluid Mechanics
Scale up of agitator design requires

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

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Fluid Mechanics
Unit of mass velocity is

Kg/m²
Kg/m². hr
Kg/m³. hr
Kg/hr

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MORE MCQ ON Fluid Mechanics

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