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Fluid Mechanics

Fluid Mechanics
For laminar flow of a shear thinning liquid in a pipe, if the volumetric flow rate is doubled, the pressure gradient will increase by a factor of

>2
2
43832

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Fluid Mechanics
Boundary layer thickness in turbulent flow over a flat plate increases as(where, d = distance from the leading edge.)

d4/5
d2/3
d1/3
√d

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Fluid Mechanics
Delivery of insufficient quantity of liquid by a pump may be caused by

Air leak in the inlet
Too high a lift
All of these
Low rpm

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

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

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Fluid Mechanics
N²Re/NFr is called the __________ number.

Euler
Archimedes
Galileo
Brinkman

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Fluid Mechanics
The speed of sound in an ideal gas varies as the

Temperature
None of these
Density
Pressure

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