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Fluid Mechanics

Fluid Mechanics
Lower BWG means __________ of the tube.

Lower thickness
Lower cross-section
Inner diameter
Outer diameter

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Fluid Mechanics
A venturimeter can not be used for the direct measurement of

All of these
Pressure difference in the flow throughpipeline
Friction loss in pipe flow
Datum difference in the stretch of pipeflow

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Fluid Mechanics
The unit of bulk modulus of elasticity for a liquid in S.I. unit is

N/m³
N
N/m
N/m²

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Fluid Mechanics
Capillary rise of mercury in a small diameter tube is proportional to (where, d = diameter of the tube, σ = surface tension of mercury)

1/d
L/σ
D
Σ

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Fluid Mechanics
Drag force acting on a body does not depend upon the

Velocity of the body
Density of the fluid
Density of the body
Projected area of the body

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Fluid Mechanics
Velocity at a certain point in case of streamline flow is

Independent of time
Both A & B
Constant
Neither A nor B

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