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Civil Set-1
Environmental Engineering
142

Environmental Engineering MCQ with Answers

142) A pipe which is installed in the house drainage to preserve the water seal of traps is called

vent pipe

antisiphonage pipe

waste pipe

soil pipe

Answer is:

antisiphonage pipe

Environmental Engineering MCQ with Answers

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Related Environmental Engineering MCQ with Answers

143) The pipe which is used to carry the discharge from sanitary fittings like bath rooms, kitchens etc. is called

waste pipe

soil pipe

vent pipe

antisiphonage pipe

Answer is:

waste pipe

144) The gas from sludge digestion tank is mainly composed of

nitrogen

carbon dioxide

hydrogen sulphide

methane

Answer is:

methane

145) Most of the bacteria in sewage are

parasitic

saprophytic

pathogenic

anaerobic

Answer is:

saprophytic

146) The process of lagooning is primarily a means of

reducing the excessive flow in sewers

disposing of sludge

increasing the capacity of storage re-servoirs

increasing flow of sewage through imhoff tanks

Answer is:

disposing of sludge

Environmental Engineering MCQ with Answers

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