Chemical Engineering :: Environmental Engineering
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Smog is
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__________ is the process of killing organism in water.
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Which of the following is a manmade source of air pollution ?
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Which is the most efficient dust removal equipment for removal of sub-micronic dust particles from blast furnace gas ?
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Insufficient washing of sand grains in a rapid sand filter causes
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Which of the following sources is responsible for maximum air pollution ?
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Which of the following is the most efficient for removal of very finely divided suspended solids and colloidal matter from the polluted water stream ?
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In sewage treatment, its sedimentation is speeded up by commonly adding
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Noise level in a quiet private business office is about __________ decibels.