Environmental Engineering QUESTIONS AND ANSWERS

Civil Engineering : Environmental Engineering QUESTIONS AND ANSWERS :: part6 : 1 to 5

Following Civil Engineering Multiple choice objective type questions and answers will help you in BSNL JTO, GATE 2024 and IES 2024 examinations :

1.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

2.The biochemical treatment of sewage effluents is essentially a process of

oxidation

dehydration

reduction

alkalinization

3.The detention period for oxidation ponds is usually kept as

4-8 hours

24 hours

10 to 15 days

3 months

4.The gas from sludge digestion tank is mainly composed of

nitrogen

carbon dioxide

hydrogen sulphide

methane

5.Sludge volume index is defined as the ratio of

percentage of sludge by volume to percentage of suspended solids by weight

percentage of sludge by volume to percentage of total solids by weight

percentage of suspended solids by weight to percentage of sludge by volume

percentage of total solids by weight to percentage of sludge by volume

More Environmental Engineering QUESTIONS AND ANSWERS available in next pages

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