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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 separation occurs when the

Velocity of sound is reached
Pressure reaches a minimum
Valve is closed in a pipeline
Cross-section of the channel is reduced

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Fluid Mechanics
Which of the following is used for very accurate measurement of flow of gas at low velocity?

Rotameter
Pitot tube
Segmental orificemeter
Hot wire annemometer

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Fluid Mechanics
Slurries can be most conveniently pumped by a __________ pump.

Centrifugal
Reciprocating
Gear
Screw

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Fluid Mechanics
In Newton's law range, the drag co-efficient for the motion of spherical particle in a stationary fluid is

44
0.44
4.4
0.044

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Fluid Mechanics
Specific speed of a centrifugal pump relates it with another pump having the

Geometrical similarity
Dynamic similarity
Same efficiency
Same speed

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MORE MCQ ON Fluid Mechanics

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