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Civil Set-1
Environmental Engineering
103

Environmental Engineering MCQ with Answers

103) The hydraulic mean depth (HMD) for an egg-shaped sewer flowing two-third full is

none of the below

equal to HMD when flowing full

less than HMD when flowing full

greater than HMD when flowing full

Answer is:

less than HMD when flowing full

Environmental Engineering MCQ with Answers

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Related Environmental Engineering MCQ with Answers

104) The effect of increasing diameter of sewer on the self cleansing velocity is

to decrease it

to increase it

fluctuating

nil

Answer is:

to increase it

105) The most commonly used sewer under culverts is

circular brick sewer

circular cast iron sewer

semi-elliptical sewer

horse-shoe type sewer

Answer is:

circular brick sewer

106) The type of sewer which is suitable for both combined and separate system is

circular sewer

egg shaped sewer

horse-shoe type sewer

semi-elliptical sewer

Answer is:

egg shaped sewer

107) The characteristics of fresh and septic sewage respectively are

acidic and alkaline

alkaline and acidic

both acidic

both alkaline

Answer is:

alkaline and acidic

Environmental Engineering MCQ with Answers

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