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Mechanical Engineering : Hydraulics and Fluid Mechanics - Quiz(MCQ)
When is the fluid called laminar?
A)
Low viscosity
B)
The density of the fluid is high
C)
Reynolds number is less than 2000
D)
Reynolds number is greater than 2000

Correct Answer : Option (C) :   Reynolds number is less than 2000


Explanation : Reynolds number is a dimensionless quantity. It helps to predict the flow pattern in fluid mechanics. At low Reynolds number, the flow has a very low density, due to which the value of Reynolds number is less than 2000.

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