EXAMIANS
Presence of soluble organics in polluted water causes
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Direct reaction of unsaturated hydrocarbons with either NO or NO₂ produces an eye irritating pollutant compound known as
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On prolonged exposure to high concentration of carbon monoxide (> 5000 ppm), man dies because
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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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The detrimental effect on organism and water quality with temperature rise of aquatic system is the reduction of __________ of water.
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Lead exhausted in the atmosphere by automobiles using leaded petrol (i.e. tetraethyl lead for improving octane number) is a lethal air pollutant which causes
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If carbon monoxide content in atmospheric air exceeds __________ ppm, death is bound to occur.
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Coal mines drainage waste water (acidic in nature) results from the earth's water percolating through the voids created in coal bed during mining. This polluted water which either drains out naturally to water courses or are removed before starting the mining is
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Major sources of noise in furnace operation arises from air inspirators, combustion, side wall vibrations and fluctuation in the process heat load. A 50% increase in fuel firing rate may increase the furnace noise level by about __________ decibels.
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Maximum permissible limit of mercury in human blood is __________ micrograms/100 c.c.
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