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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 | |