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Fluid Mechanics

Fluid Mechanics
Cp/Cv is termed as

Prandtl number
Adiabatic constant
Weber number
Mach number

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Fluid Mechanics
Potential flow is the flow of

Incompressible fluids with no shear
Compressible fluids with shear
Incompressible fluids with shear
Compressible fluids with no shear

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Fluid Mechanics
Which law/principle of solid mechanics is similar/equivalent to Newton's law of viscosity in fluid mechanics?

Newton
Newton
Archimedes principle
Hooke

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Fluid Mechanics
Transition from laminar flow to turbulent flow is aided by the

All of these
Vibration
Surface roughness and curvature (i.e.sharp corners)
Pressure gradient and the compressibility of the flowing medium

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Fluid Mechanics
If three pipes of different diameters, lengths & friction factors are connected in parallel, then (where, Q = flow rate, V= fluid velocity f = friction factor).

Q = Q₁ + Q₂ + Q₃
Q₁ = Q₂ = Q₃
V₁ = V₂ = V₃
F = f₁ + f₂ + f₃

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Fluid Mechanics
Reynolds number for water flow through a tube of I.D. 5 cm is 1500. If a liquid of 5 centipoise viscosity and 0.8 specific gravity flows in the same pipe at the same velocity, then the pressure drop will

Remain same
Decrease
Increase
Data insufficient to predict pressure drop

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MORE MCQ ON Fluid Mechanics

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