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Civil Engineering - Water Supply Engineering

Exercise : Water Supply Engineering - Section 3
41.
The bacterias which require free oxygen for their survival, are called
Aerobic bacterias
Anaerobic bacterias
Faculative bacteria
None of these.
Answer: Option
Explanation:
No answer description is available. Let's discuss.
42.
Maximum threshold number permitted for indicating the odour of public water supplies, is
1
2
3
4
5
Answer: Option
Explanation:
No answer description is available. Let's discuss.
43.
45 litres of water per person per day, is provided in
office buildings
hotels
hostels
nurse's homes.
Answer: Option
Explanation:
No answer description is available. Let's discuss.
44.
Turbidity of water may be caused due to
Suspended clay
Suspended silt
finely divided organic material
all the above.
Answer: Option
Explanation:
No answer description is available. Let's discuss.
45.
Pick up the correct statement from the following :
Water with hardness upto 75 ppm is considered soft
Water with hardness more than 200 ppm is considered hard
Water needed for laundaries should contain hardness less than 75 ppm
To provide taste during drinking, water should possess hardness between 75 to 120
All the above.
Answer: Option
Explanation:
No answer description is available. Let's discuss.
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