Civil Engineering - UPSC Civil Service Exam Questions - Discussion

Discussion Forum : UPSC Civil Service Exam Questions - Section 13 (Q.No. 42)
42.
A hydraulic model of a spillway is constructed with a scale 1 : 16. If the prototype discharge is 2048 cumec, then the corresponding discharge for which the model should be tested is
1 cumec
2 cumec
4 cumec
8 cumec
Answer: Option
Explanation:
No answer description is available. Let's discuss.
Discussion:
1 comments Page 1 of 1.

Umesh H A said:   7 years ago
The concept is a dimension analysis.

Discharge is directly proportional to length^(5/2).
(Q model/Q prototype) = ( L model/L prototype)^(5/2).

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