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Civil Engineering - Waste Water Engineering

Exercise : Waste Water Engineering - Section 5
31.
In 1000 kg of sewage, the total solids approximate
0.5 to 1.0 kg
1 kg to 2.0 kg
5 kg to 7.5 kg
7.5 kg to 10 kg.
Answer: Option
Explanation:
No answer description is available. Let's discuss.
32.
Pathogens (or pathogentic bacterias) in water may cause
typhoid
cholera
dysentery
infectious hepatitis
all the above.
Answer: Option
Explanation:
No answer description is available. Let's discuss.
33.
Sewer manholes are generally provided at
the change of gradient
the change of direction
the junctions of sewers
all of these.
Answer: Option
Explanation:
No answer description is available. Let's discuss.
34.
The sewers
must be of adequate size to avoid over flow
must flow under gravity to full
must be laid at least 2 to 3 m deep to collect /water from the basements
all the above.
Answer: Option
Explanation:
No answer description is available. Let's discuss.
35.
Before discharging the foul sewage into rivers, it is generally treated by
screening
sedimentation
oxidation
sludge digestion and disinfection
all the above.
Answer: Option
Explanation:
No answer description is available. Let's discuss.
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