Environmental Engineering in CE Which of the following processes is involved in the biochemical treatment of sewage effluents? Dehydration Fermentation Reduction Oxidation Dehydration Fermentation Reduction Oxidation ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Out of the following, TLV of __________ is maximum (about 500 ppm). Carbon disulphide Acetaldehyde Toluene Carbon dioxide Carbon disulphide Acetaldehyde Toluene Carbon dioxide ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE The main pollutant in waste water discharged from a petroleum refinery is oil (both in free and emulsified form). Free oil is removed by Trickling filters Gravity separator having oil skimming devices Biological oxygen pond Aerated lagoons Trickling filters Gravity separator having oil skimming devices Biological oxygen pond Aerated lagoons ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE The biological decomposition of organic substances in wastes controlled conditions is called Incineration None of these Biological oxidation Composting Incineration None of these Biological oxidation Composting ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Septic tanks are used for the __________ of the deposited solids. None of these Aerobic decomposition Anaerobic decomposition Separation None of these Aerobic decomposition Anaerobic decomposition Separation ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE TLV of aldrin in public water supply system is about __________ μg/litre. 357 0.5 1097 17 357 0.5 1097 17 ANSWER DOWNLOAD EXAMIANS APP
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