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Fluid Mechanics

Fluid Mechanics
Reynolds number for flow of water at room temperature through 2 cm dia pipe at an average velocity of 5 cm/sec is around

100
1000
2000
10

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Fluid Mechanics
For laminar flow through a closed conduit

Vmax = 2Vav
Vmax = 0.5Vav
Vmax = 1.5Vav
Vmax = Vav

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Fluid Mechanics
Unsteady uniform flow is represented by flow through a/an

Long pipe at decreasing rate
Long pipe at constant rate
Expanding tube at constant rate
Expanding tube at increasing rate

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Fluid Mechanics
Bernoull's equation does not apply to the functioning of a/an

Pitot tube
Venturimeter
None of these
Orificem

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Fluid Mechanics
Multistage compressors are used in industry, because they

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

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Fluid Mechanics
Cp/Cv is termed as

Weber number
Adiabatic constant
Prandtl number
Mach number

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MORE MCQ ON Fluid Mechanics

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