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Fluid Mechanics

Fluid Mechanics
Momentum transfer in laminar flow of fluids results due to the

None of these
Density
Velocity gradient
Viscosity

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

None of these
Venturimeter
Pitot tube
Orificem

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

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

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Fluid Mechanics
Power number is the ratio of

Inertial stress to gravitational stress
Drag stress to inertial stress
Gravitational stress to drag stress
Inertial stress to drag stress

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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).

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

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Fluid Mechanics
Schedule number of a pipe, which is a measure of its wall thickness, is given by

1000 S/P'
10000 P'/S
100 P'/S
1000 P'/S

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MORE MCQ ON Fluid Mechanics

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