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Civil Engineering - Waste Water Engineering

Exercise : Waste Water Engineering - Section 4
41.
In septic tanks, decomposition of organic bacteria, is done by
anaerobic bacteria
aerobic bacteria
both types of bacterias
none of these.
Answer: Option
Explanation:
No answer description is available. Let's discuss.
42.
The stone ware sewers
are used for carrying sewage and drainage from houses
are manufactured from clays and shales
after casting are dried and burnt at temperature 150°C, 700°C and 1200°C
are generally provided with a water proof cover by vaporising sodium chloride
all the above.
Answer: Option
Explanation:
No answer description is available. Let's discuss.
43.
'Cowl' is provided at
lower end of ventilating column
upper end of ventilating column
upper end of the manhole
first step in manhole.
Answer: Option
Explanation:
No answer description is available. Let's discuss.
44.
The sewer which transports the sewage to the point of treatment, is called
house sewer
out-fall sewer
branch sewer
lateral
main sewer.
Answer: Option
Explanation:
No answer description is available. Let's discuss.
45.
Kjedahl nitrogen is a mixture of
ammonia and nitrogen
nitrogen and organic nitrogen
organic nitrogen and ammonia
all the above.
Answer: Option
Explanation:
No answer description is available. Let's discuss.
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