Civil Engineering - GATE Exam Questions - Discussion
Discussion Forum : GATE Exam Questions - Section 4 (Q.No. 1)
1.
At the same mean velocity, the ratio of head loss per unit length for a sewer pipe flowing full to that for the same pipe flowing half full would be :
Discussion:
16 comments Page 1 of 2.
Abhishek thakur said:
4 years ago
@Deepakbaswal.
Yes, you are right. Thanks.
Yes, you are right. Thanks.
(1)
Shubham said:
9 years ago
Answer should be 1.
Because head loss per unit length does not depend on the depth of water in a sewer pipe.
Because head loss per unit length does not depend on the depth of water in a sewer pipe.
Jimmy said:
9 years ago
Please explain in detail.
Joshi said:
9 years ago
Thanks @Shubham.
DeepakBaswal said:
8 years ago
(.81/.5) = 1.61.
Flowing full in pipe = 81%.
Flowing half in pipe= 50%.
Flowing full in pipe = 81%.
Flowing half in pipe= 50%.
Roy said:
8 years ago
1 is the correct answer.
Siva said:
8 years ago
You are right, I agree @Shubham.
Naina paliwal said:
7 years ago
Please explain the solution with the correct formula.
Dolly said:
7 years ago
C must be the correct answer.
Utsav said:
7 years ago
Head loss due to friction/unit length of pipe is proportional to mean velocity square V^2 and inversely proportional to diameter D of the pipe.
V = volumetric flow rate remains same.
So, head loss due to friction: ratio when flowing full/when flowing half full = 1.
V = volumetric flow rate remains same.
So, head loss due to friction: ratio when flowing full/when flowing half full = 1.
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