The detention period for oxidation ponds is usually kept as______________?
B. 24 hours
C. 10 to 15 days(Correct)
D. 3 months
B. 24 hours
C. 10 to 15 days(Correct)
D. 3 months
B. 24 hours
C. 10 to 15 days(Correct)
D. 3 months
Similar Posts
Arsenic pollutant is not generated in____industries.
Question: Arsenic pollutant is not generated in____industries.
[A].tanneries [B].
glass & ceramic [C].
beverages [D].
any of these. Answer: Option C
Explanation:
No answer description available for this question.
Maximum permissible limit of industrial noise as recommended by World Health Organisation (WHO) is __________ decibels.
Question: Maximum permissible limit of industrial noise as recommended by World Health Organisation (WHO) is __________ decibels.
[A].35 [B].
75 [C].
95 [D].
105 Answer: Option B
Explanation:
No answer description available for this question.
Which of the following causes a decrease in per capita consumption ?
Which of the following causes a decrease in per capita consumption ?A. use of metering system
B. good quality of water
C. better standard of living of the people
D. hotter climateThe self cleansing velocity for all sewers in India is usually_________________?
The self cleansing velocity for all sewers in India is usually_________________?A. less than 1.0 m/sec
B. 1.0 m/sec to 1.2 m/sec
C. 1.5 m/sec to 2.0 m/sec
D. 3.0 m/sec to 3.5 m/secThe type of valve which is provided to control the flow of water in the distribution system at street corners and where the pipe lines intersect is_______________?
The type of valve which is provided to control the flow of water in the distribution system at street corners and where the pipe lines intersect is_______________?A. check valve
B. sluice valve
C. safety valve
D. scour valveInhalation of silica dust by human being causes
Question: Inhalation of silica dust by human being causes
[A].asphyxiation [B].
shortness of breath [C].
tuberculosis [D].
both(b) & (c) Answer: Option D
Explanation:
No answer description available for this question.