Civil Engineering - UPSC Civil Service Exam Questions - Discussion
Discussion Forum : UPSC Civil Service Exam Questions - Section 22 (Q.No. 18)
18.
The head loss in a pipe of diameter d, carrying oil at a flow rate Q over a distance l is h. The pipe is replaced by another with half the diameter, all other things remaining the same. The head loss in this case will be
Discussion:
8 comments Page 1 of 1.
Apcivilian said:
3 years ago
But for Laminar flow, it should be inversely proportional to D^4.
As oil is flowing so we should use the laminar flow equation.
And the answer should be 16 h.
As oil is flowing so we should use the laminar flow equation.
And the answer should be 16 h.
Apcivilian said:
3 years ago
Oil is flowing. So it should be a laminar flow.
And h should be inversely proportional to D ^4.
So the answer should be 16.
And h should be inversely proportional to D ^4.
So the answer should be 16.
Umesh JIT said:
7 years ago
Here, H is inversely proportional to d^5.
(1)
Maithri said:
5 years ago
How the answer is 32h? Explain in detail.
Phani said:
7 years ago
h = flQ^2/12d^5,
2^5 = 32h.
2^5 = 32h.
(1)
M.Waseem said:
3 years ago
Anyone explain it in further?
Jessin Brindha said:
5 years ago
Please explain elaborately.
Maithri said:
5 years ago
Can anyone explain this?
(1)
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