The main disadvantage of oxidation pond is that________________?
B. maintenance and operation cost are high
C. BOD removal is very low
D. none of the above
B. maintenance and operation cost are high
C. BOD removal is very low
D. none of the above
B. maintenance and operation cost are high
C. BOD removal is very low
D. none of the above
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The amount of coagulant needed for coagulation of water increases with_______________?
The amount of coagulant needed for coagulation of water increases with_______________? 1) increase in turbidity of water
2) decrease in turbidity of water
3) increase in temperature of water
4) decrease in temperature of water
The correct answer is?A. (1) and (2)
B. (1)and (4)(Correct)
C. (2) and (3)
D. (2) and (4)