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Envt- Sewage Treatment-2-quiz
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Question 1
Match List I with List II and select the correct codes
Question 2
In solid waste management, waste utilization is achieved by
Question 3
Statement (I): Air binding is a problem associated with rapid sand filters.
Statement (II): Air binding occurs due to formation of negative head at the base of the filter.
Question 4
Sewage sickness relates to
Question 5
A stream ream has flow of 20 cumecs and BOD concentration of 10 mg/l receives the industrial waste water having flow of 1.5 cumecs and BOD
concentration of 250 mg/l. What is the BOD concentration (mg/l) of stream at downstream point of meeting of stream with industrial waste?
Question 6
A fundamental difference between sedimentation tank for water and sewage is
Question 7
Pollution potential of domestic sewage generated in a town and its industrial sewage can be compared with reference to?
Question 8
Which among the following ecosystem have inverted biomass pyramid?
Question 9
For optimum digestion, C/N ratio of the material should be between
Question 10
A grit chamber has dimensions 15m * 2.0 m * 1.0 m liquid depth has a flow of 750 m3/hr. its surface loading rate is
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Feb 1ESE & GATE CE