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Fluid Mechanics

Fluid Mechanics
The unit of dynamic viscosity in SI unit is

m² /sec
N/m²
m/N. sec
kg/m . sec

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Fluid Mechanics
The peripherial velocity at inlet of a centrifugal pump having inlet diameter of 25 cms and rotating at 950 rpm is __________ m/sec.

1.8
736.4
12.4
186.2

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Fluid Mechanics
In which type of fluid flow, the velocity of flow of fluid changes from point to point in the fluid at any instant?

Non-uniform
Turbulent
Rotational
Unsteady

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Fluid Mechanics
Which of the following is not a dimension-less parameter?

Fanning friction factor
Euler number
Specific gravity
None of these

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Fluid Mechanics
Mass velocity in case of steady flow and through a constant cross-section conduit is independent of the

Neither A nor B
Temperature
Pressure
Both A & B

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Fluid Mechanics
The temperature in isentropic flow

Cannot drop and then increase again downstream
Depends on Mach number only
None of these
Does not depend on Mach number

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