Environmental Engineering in CE Biological oxidation ponds remove organic matters present in the polluted water by Neither A nor B Aerobic oxidation Using the activities of bacteria and other micro organisms Both A & B Neither A nor B Aerobic oxidation Using the activities of bacteria and other micro organisms Both A & B ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE The biological decomposition of organic substances in wastes controlled conditions is called None of these Composting Incineration Biological oxidation None of these Composting Incineration Biological oxidation ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Ozone is A primary pollutant A secondary pollutant Both B & C Impervious to ultra-violet rays A primary pollutant A secondary pollutant Both B & C Impervious to ultra-violet rays ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Foul odour and bad taste of water is removed by treating with Bleaching powder Alum Activated carbon Copper sulphate Bleaching powder Alum Activated carbon Copper sulphate ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE A man exposed to excessive noise level in the working environment may suffer from Nervousness & fatigue All of these Hearing loss Rupture of ear drum Nervousness & fatigue All of these Hearing loss Rupture of ear drum ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE During which of the following operating conditions of an automobile, carbon monoxide content in the exhaust gas is maximum? Cruising Idle running Acceleration Deaccelaration Cruising Idle running Acceleration Deaccelaration ANSWER DOWNLOAD EXAMIANS APP
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