Civil Engineering - UPSC Civil Service Exam Questions - Discussion

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 ?

[A]. 102 m3 /s
[B]. 103 m3 /s
[C]. 104 m3 /s
[D]. 105 m3 /s

Answer: Option D

Explanation:

No answer description available for this question.

Basu said: (Jul 24, 2018)  
The correct option is C.

Sadashiva said: (Aug 19, 2018)  
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.

Basu said: (Sep 1, 2018)  
@Sadashiva.

How Qm=0.1M^3?

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