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ME Set-3
Fluid Mechanics
197

Fluid Mechanics MCQ with Answers

197) The fluid forces considered in the Navier Stokes equation are

gravity, pressure and viscous

gravity, pressure and turbulent

pressure, viscous and turbulent

gravity, viscous and turbulent

Answer is:

gravity, pressure and viscous

Fluid Mechanics MCQ with Answers

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Related Fluid Mechanics MCQ with Answers

198) A large Reynold number is indication of

smooth and streamline flow

laminar flow

steady flow

highly turbulent flow.

Answer is:

highly turbulent flow.

199) For pipes, laminar flow occurs when Roynolds number is

less than 2000

between 2000 and 4000

more than 4000

less than 4000

Answer is:

less than 2000

200) In order that flow takes place between two points in a pipeline, the differential pressure between these points must be more than

frictional force

viscosity

surface friction

all of the above

Answer is:

all of the above

201) At the center line of a pipe flowing under pressure where the velocity gradient is zero, the shear stress will be

minimum

maximum

zero

could be any value.

Answer is:

could be any value.

Fluid Mechanics MCQ with Answers

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