Environmental Engineering in CE Infective bacteria in water is killed by the __________ process. None of these Aeration Sterilisation Disinfection None of these Aeration Sterilisation Disinfection ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Threshold limit value (TLV) of CO in air is __________ ppm. 5 2000 5000 50 5 2000 5000 50 ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE There are five concentric layers within the atmosphere which is differentiated on the basis of temperature. The atmospheric layer which lies close to the earth's surface in which human being along with other organisms live is called troposphere. The rate at which air temperature in the troposphere gradually decreases with height is about __________ °C/km. 6.5 1 15 0.05 6.5 1 15 0.05 ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Waste/polluted water discharged from electroplating, blast furnace and coal mining industries contain mainly __________ substances. Inorganic None of these Radioactive Organic Inorganic None of these Radioactive Organic ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Phenolic water generated in coke ovens & by-product plant attached to an integrated steel plant containing phenol in concentration of less than 100 mg/litre can be removed by Chemical coagulation Treating in biological oxygen pond None of these Chlorination Chemical coagulation Treating in biological oxygen pond None of these Chlorination ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Oceans act as sinks for atmospheric gases including carbon dioxide whose concentration in the atmosphere is increased by the Green house effect Vegetation Forestation Rain Green house effect Vegetation Forestation Rain ANSWER DOWNLOAD EXAMIANS APP
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