Waste Water Engineering Mcqs

Q.  If 2% solution of a sewage sample is incubated for 5 days at 20°C and depletion of oxygen was found to be 5 ppm, B.O.D. of the sewage is____________________?

a. 200 ppm
b. 225 ppm
c. 250 ppm
d. None of these


ANSWER: See Answer
 
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Category: Civil Engineering Mcqs,   Published by: T-Code Scripts
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Category: Civil Engineering Mcqs,   Published by: T-Code Scripts
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Category: Civil Engineering Mcqs,   Published by: T-Code Scripts
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