Chemical Engineering :: Environmental Engineering
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Which of the following pollutants is absent in the emissions from a fertiliser plant ?
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Noise level inside a jet air liner in normal flight is about __________ decibels.
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What is the major constituents of waste/polluted water discharged from textile, pulp & paper, tanning, distillary, dairy and meat packing industries ?
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Water filtration rate in a rapid sand filter ranges from __________ kilolitres/m2/hr.
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Hazardous/polluting chemical industries should have an 'exclusion zone' with a green belt and general public access prohibited around it, covering a radius of ____ metres.
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Maximum permissible residual chlorine in treated water should be __________ mg/litre.
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Which of the following is the most active zone of atmosphere in which weathering events like rain, storm & lightning occur ?
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Which is the most widely used coagulant for the treatment of turbid water ?
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Which of the following is not a natural source of air pollution ?
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