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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