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PPSC CE_QUIZ 6
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Question 1
The minimum width of a septic tank is taken _____.
Question 2
Pollution potential of domestic sewage generated in a town and its industrial sewage can be compared with reference to?
Question 3
Sludge age is ratio of
Question 4
What are the gases produced by landfills primarily comprised of?
Question 5
A septic tank of 7 m3 in volume serves 5 people. If the rate of accumulation of sludge is 70 litres per capita per year and sludge is removed when it occupies 50% of its volume, what is the cleaning interval of septic tank?
Question 6
For optimum digestion, C/N ratio of the material should be between
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AE & JE ExamsApr 21AE & JE Exams