What can be the maximum diameter of the pipe for the water flow of velocity 1 m/s (ν = 10-6) to be laminar in nature? Assume Lower critical Reynolds number to be 2100.

What can be the maximum diameter of the pipe for the water flow of vel

1.	What can be the maximum diameter of the pipe for the water flow of velocity 1 m/s (ν = 10-6) to be laminar in nature? Assume Lower critical Reynolds number to be 2100.
A.	2.1 mm
B.	21 mm
C.	21 cm
D.	0.21 mm
Answer» B. 21 mm