Civil Engineering - UPSC Civil Service Exam Questions - Discussion

6. 

The following data pertain to a sewage sample :
Initial D.O = 10 mg/l
Final D.O. = 10 mg/1 Dilution to 1%
The BOD of the given sewage sample is

[A]. 8 mg/1
[B]. 10 mg/1
[C]. 100 mg/1
[D]. 800 mg/1

Answer: Option D

Explanation:

No answer description available for this question.

Arya said: (Jun 15, 2017)  
How? Explain.

Praveen said: (Sep 13, 2017)  
C is the correct answer.

Amith S said: (Mar 22, 2018)  
No, since Do final - Do initial comes to be zero.

Dolly said: (Apr 2, 2018)  
Here, D.O =2mg/l.

Amith S said: (Apr 25, 2018)  
Yeah, it is 0.

Kamu said: (Sep 27, 2019)  
Yes, C is correct. I too agree.

Shashikanth said: (Oct 31, 2019)  
Here given question is incorrect. Final DO must be 2mg/l as per original question paper.

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