Civil Engineering - UPSC Civil Service Exam Questions - Discussion

Discussion Forum : UPSC Civil Service Exam Questions - Section 26 (Q.No. 43)
43.
A circular pipe of radius R carries a laminar flow of a fluid. The average velocity is indicated as the local velocity at what radical distance, measured from the centre ?
0.50 R
0.71 R
0.67 R
0.29 R
Answer: Option
Explanation:
No answer description is available. Let's discuss.
Discussion:
1 comments Page 1 of 1.

Veeru said:   8 years ago
Velocity distribution: it is parabolic variation. Mean velocity (V) occurs at a distance of 0.707R from the centre of the pipe and is equal to half of the maximum velocity which occurs at centre.
(1)

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