Civil Engineering Questions And Answers :: Environmental Engineering: part6



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

    Health is the greatest gift, contentment is the greatest wealth -Buddha
If you are not willing to risk the usual you will have to settle for the ordinary- Jim Rohn