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Fluid Mechanics

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.

736.4
12.4
186.2
1.8

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Fluid Mechanics
For pipes that must be broken at intervals for maintenance, the connector used should be a/an

Elbow
Reducer
Union
Tee

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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
Pressure
Temperature
Both A & B

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Fluid Mechanics
Cp/Cv is termed as

Prandtl number
Adiabatic constant
Mach number
Weber number

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Fluid Mechanics
The terminal velocity of a solid spherical particle falling through a stationary fluid mass in the Stoke's law range is proportional to the

Difference in the densities of the particle & fluid
Inverse of fluid viscosity
All of these
Square of particle size

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Fluid Mechanics
Multistage compressors are used in industry, because they

Reduce the cost of compressor
Resemble closely to isothermal compression
Are easy to control
Reduce the size requirement

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