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Mining Engineering · Q27

Mine Environment

Engineering and GATE · Mining Engineering · question 27

Q27

The BOD5 of an effluent from a coke oven plant is 25 mg/L, and the effluent discharge is 4 ML/d. The receiving stream has a BOD5 of 2 mg/L and the stream flow is 40 ML/d. What will be the BOD5 in the stream just below the mixing zone?

A.
4.5
B.
5.2
C.
4.1
Answer
D.
4.8

Answer: Option C

Solution

Answer: Option C
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