Civil Engineering - Waste Water Engineering

36.
The settlement of a particle in sedimentation tank, is affected by
velocity of flow
viscosity of water
size and shape of solid
specific gravity of solid
all the above.
Answer: Option
Explanation:
No answer description is available. Let's discuss.

37.
If the length of overland flow from the critical point to the mouth of drain is 13.58 km and difference in level between the critical point and drain mouth is 10 m, the inlet time is
2 hours
4 hours
6 hours
8 hours.
Answer: Option
Explanation:
No answer description is available. Let's discuss.

38.
Oxidation process results in the formation of
carbon dioxide
nitrates
sulphates
all the above.
Answer: Option
Explanation:
No answer description is available. Let's discuss.

39.
Dry weather flow is :
average daily rate of flow
average monthly rate of flow
average annual rate of flow
water supply allowance per capita
none of these.
Answer: Option
Explanation:
No answer description is available. Let's discuss.

40.
As compared to fresh river water, sea water contains oxygen
10% less
20% less
10% more
20% more.
Answer: Option
Explanation:
No answer description is available. Let's discuss.