Chemical Engineering :: Environmental Engineering
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Which of the following is the most widely used disinfectant in water treatment ?
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Pick out the wrong statement
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Phenolic water generated in coke ovens & by-product plant of a steel plant are disposed off by
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The progressive warming up of the earth's surface is mainly due to the
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The effect of increase in carbon dioxide level of the atmosphere and its profound effect on our climate is called the
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Arsenic pollutant is not generated in____industries.
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The resistance of water to the passage of light through it is a measure of the
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Color test of water is done with an instrument called
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Which of the following gases is having the widest explosion limit (about 2 to 81% gas in gas-air mixture), rendering it the property of the most explosive gas ?
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A.
Low ozone layer thickness in polar regions is due to cold climatic conditions
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B.
Amount of unburnt hydrocarbons emitted by two stroke petrol engine is more as compared to that emitted by a four stroke engine.
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C.
Carbon monoxide present in the two stroke petrol engine exhaust is much less as compared to that emitted from a four stroke engine.
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D.
Mercury as a pollutant can enter the blood stream & the digestive system/ lungs and is responsible for causing minamate disease.
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