Civil Engineering - UPSC Civil Service Exam Questions - Discussion

Discussion Forum : UPSC Civil Service Exam Questions - Section 22 (Q.No. 6)
6.
A river model is constructed to a horizontal scale of 1:1000 and a vertical scale of 1:100. A model discharge in the prototype, of what magnitude ?
102 m3 /s
103 m3 /s
104 m3 /s
105 m3 /s
Answer: Option
Explanation:
No answer description is available. Let's discuss.
Discussion:
3 comments Page 1 of 1.

Basu said:   6 years ago
@Sadashiva.

How Qm=0.1M^3?

Sadashiva said:   6 years ago
According to me, the solution is;

Discharge ratio corresponding to the model and prototype.

Qm/Qp=Lr*hr^(3÷2),
0.1/Qp=1/1000*1/100^(3÷2),
Qp=0.1*1000*100,
Qp=10^5.
(1)

Basu said:   6 years ago
The correct option is C.

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