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SSC JE CE 2017- Environmental Engineering Rankers Quiz 1
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Question 1
Which of the following is not a primary air pollutant?
Question 2
If initial D.O. of a sewage sample is 6mg/1 and final D.O. is 2 mg/l. the dilution is 1%. Then the BOD of the sample is
Question 3
Ozonation in water treatment is done for which of the process :
Question 4
Anaerobic treatment is best suited for ______.
Question 5
The oxidant used for the determination of COD in
Question 6
Good quality sand is never obtained from
Question 7
The most common cause of acidity in water is :
Question 8
If the average daily water consumption of a city is 1000 cum the peak hourly demand will be:
Question 9
The process involved in chlorination after breakpoint chlorination are
Question 10
The ratio of design discharge to the surface area of a sedimentation is called:
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Aug 11ESE & GATE CE