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Fluid Mechanics

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

Mach
Euler
Weber
Froude

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Fluid Mechanics
Lower BWG means __________ of the tube.

Outer diameter
Inner diameter
Lower cross-section
Lower thickness

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Fluid Mechanics
The equation given below is called the __________ . f-0.5 = 4.07 loge (NRe√f)-0.6

Colebrook formula
Fanning equation
None of these
Von-Karman equation

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Fluid Mechanics
The hydraulic radius for flow in a rectangular duct of cross-sectional dimension H, W is

2HW/(H + W)²
√(HW/π)
HW/2(H + W)²
HW/4(H + W)²

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Fluid Mechanics
A hydraulic ram acts as a/an __________ pump.

Centrifugal
Impulse
Reciprocating
Parallel cylinder

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Fluid Mechanics
Pressure gradient in the pipe flow is influenced by the

Density & viscosity of the fluid
Diameter of pipe
Velocity of the fluid
All of these

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MORE MCQ ON Fluid Mechanics

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