Which of the factors primarily decide whether the flow in a circular pipe is laminar or turbulent?

The Pressure gradient along the length of the pipe

The dynamic viscosity coefficient

Which of the factors primarily decide whether the flow in a circular p

1.	Which of the factors primarily decide whether the flow in a circular pipe is laminar or turbulent?
A.	The Prandtl Number
B.	The Pressure gradient along the length of the pipe
C.	The dynamic viscosity coefficient
D.	The Reynolds Number
Answer» E.

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Which of the factors primarily decide whether the flow in a circular pipe is laminar or turbulent?

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