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Civil Engineering - Waste Water Engineering

Exercise : Waste Water Engineering - Section 1
36.
Flocculated particles do not change their
size
shape
weight
none of these.
Answer: Option
Explanation:
No answer description is available. Let's discuss.
37.
For non-scouring velocity 5 m/sec, the type of sewers generally preferred to, is
cast iron sewers
cement concrete sewers
glazed bricks sewers
stone ware sewers.
Answer: Option
Explanation:
No answer description is available. Let's discuss.
38.
Disposal to sewage in large cities, is done in
irrigation
dilution
oxidation
putrifaction.
Answer: Option
Explanation:
No answer description is available. Let's discuss.
39.
For the COD test of sewage, organic matter is oxidised by K2Cr207 in the presence of
H2SO4
HNO3
HCl
none of these.
Answer: Option
Explanation:
No answer description is available. Let's discuss.
40.
In R.C. sewer pipes, the percentage longitudinal reinforcement to the cross-sectional area of concrete is kept
10.0
5.0
2.0
0.25
Answer: Option
Explanation:
No answer description is available. Let's discuss.
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