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Civil Set-1
Environmental Engineering
59

Environmental Engineering MCQ with Answers

59) Chlorine demand of water is equal to

applied chlorine

residual chlorine

sum of applied and residual chlorine

difference of applied and residual chlorine

Answer is:

difference of applied and residual chlorine

Environmental Engineering MCQ with Answers

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Related Environmental Engineering MCQ with Answers

60) The process in which the chlorination is done beyond the break point is known as

prechlorination

post chlorination

super chlorination

break point chlorination

Answer is:

super chlorination

61) The percentage of chlorine in fresh bleaching powder is about

10 to 15

20 to 25

30 to 35

40 to 50

Answer is:

30 to 35

62) The treatment of water with bleaching powder is known as

prechlorination

super chlorination

dechlorination

hypochlorination

Answer is:

hypochlorination

63) The suitable method for disinfection of swimming pool water is

ultra violet rays treatment

lime treatment

by using potassium permanganate

chlorination

Answer is:

ultra violet rays treatment

Environmental Engineering MCQ with Answers

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