Civil Engineering : Environmental Engineering QUESTIONS AND ANSWERS :: part6 : 16 to 20
Following Civil Engineering Multiple choice objective type questions and answers will help you in BSNL JTO, GATE 2024 and IES 2024 examinations :
16.Septic tank is a i) settling tank ii) digestion tank iii) aeration tank The correct answer is |
| only (i) |
| (i) and (ii) |
| (i) and (iii) |
| only (iii) |
17.For the same solid content, if the quantity of sludge with moisture content of 98% is X, then the quantity of sludge with moisture content of 96% will be |
| X/4 |
| X/2 |
| X |
| 2X |
18.For normal sludge, the value of sludge index for Indian conditions is |
| 0 to 50 |
| 50 to 150 |
| 150 to 350 |
| 350 to 500 |
19.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 |
More Environmental Engineering QUESTIONS AND ANSWERS available in next pages
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