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MEO Class II – MEP : 2019/APR/07 – 2019/JUL/07 – 2019/SEP/07 – 2019/NOV/07
Question
Q7. Describe with a neat sketch the principle and operation of Biological & Chemical Sewage treatment plant.
(a) What do you meant by B.O.D. What is the significance of B.O.D.
(b) What are the discharge criteria according to MARPOL Regulations?
(c) What routine maintenance is carried out on such Sewage treatment plant?
Asked in Year/Month/Ques No.