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Fluid Mechanics

Fluid Mechanics
The ratio of inertial forces to gravity forces is called the __________ number.

Froude
Weber
Euler
Mach

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Fluid Mechanics
The dimension of kinematic viscosity is

None of these
L²T⁻¹
ML⁻²T⁻²
ML⁻²T⁻¹

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Fluid Mechanics
The equivalent diameter for flow through a rectangular duct of width B and height H is

2HB/(H + B)
HB/(H + B)
4HB/(H + B)
HB/2(H + B)

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

Viscosity
Velocity gradient
None of these
Density

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

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

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MORE MCQ ON Fluid Mechanics

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