EXAMIANS
Bag filter design is predominantly dependent on gas temperature, as it affects the gas density & viscosity and the selection of filtering material. The pressure drop in a bag filter is
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Which of the following is not a secondary air pollutant?
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Reingleman chart No. 2 corresponds to __________ percent black smoke.
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Green house gases blanket/block the infrared radiation from earth's surface to the atmosphere leading to its progressive warming up. Which of the following gases does not exhibit green house effect?
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Which of the following is a secondary air pollutant?
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High concentration of carcinogenic hydrocarbon pollutants in atmospheric air causes
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Carcinogenic air pollutants cause
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The concentration of water vapour in troposphere, which depends upon the altitude & temperature varies in the range of zero to __________ percent.
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Very small amount of air pollutants are present in stratosphere also; though most of the atmospheric pollutants are present in the troposphere. Which of the following atmospheric pollutants does not cause the ozone layer depletion in atmosphere at tremendous rate?
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Fluorosis (a bone disease) is caused by the presence of high concentration of __________ in atmospheric air.
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