EXAMIANS
Noise level during normal conversation among men is about __________ decibles.
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Peroxyacyl nitrate (PAN), a pollutant is found in the
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Water filtration rate in a rapid sand filter ranges from __________ kilolitres/m²/hr.
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Main pollutant present in automobile exhaust is
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Which of the following is not an air pollutant?
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The function of skimming tank in sewage treatment is to remove __________ substances.
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As per the world health organisation (WHO) specification, the maximum permissible concentration (i.e., TLV) of particulate matter in air is __________ μg/m³.(μg-microgram)
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Limestone powder is injected during pulverised coal burning in boilers to __________ the flue gases.
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Methyl iso-cynate (MIC) gas (TLV <1 ppm), which caused Bhopal gas tragedy in 1984 falls under the category of __________ toxic gas.
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Which of the following processes is involved in the biochemical treatment of sewage effluents?
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