Civil Engineering - Waste Water Engineering

6.
If the peak discharge of a storm water drain (S.W. Drain) is e.xpected to exceed 150 cumecs, the free board to be provided, is
100 cm
90 cm
80 cm
50 cm.
Answer: Option
Explanation:
No answer description is available. Let's discuss.

7.
PH value of sludge during alkaline regression stage, is
more than 7
less than 7
less than 6
more than 6.
Answer: Option
Explanation:
No answer description is available. Let's discuss.

8.
Depletion of ozone layer in the outer atmosphere may cause
lung cancer
skin cancer
bronchitis
heart disorder.
Answer: Option
Explanation:
No answer description is available. Let's discuss.

9.
The spacing of bars of perforations of fine screens used for the treatment of sewage, is
2 to 3 mm
3 to 5 mm
5 to 8 mm
8 to 10 mm.
Answer: Option
Explanation:
No answer description is available. Let's discuss.

10.
The self-cleansing velocity of water flowing through pipe lines, is
2 metres/sec
1 metre/sec
0.5 metre/sec
0.25 metre/sec.
Answer: Option
Explanation:
No answer description is available. Let's discuss.