Environmental Engineering in CE Maximum allowable noise exposure limits for a man working for 8 hours a day in a noisy chemical plant is about __________ decibels. 60 120 90 20 60 120 90 20 ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Water effluent generated in printing industry is decolourised by Ion exchange technique Reverse osmosis Adsorption Electrolytic decomposition Ion exchange technique Reverse osmosis Adsorption Electrolytic decomposition ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Which of the following processes is involved in the biochemical treatment of sewage effluents? Oxidation Dehydration Fermentation Reduction Oxidation Dehydration Fermentation Reduction ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Carbon monoxide is a pollutant, which causes Respiratory disease (e.g. asthma) Damage to building materials like marble Retardation in crop growth Asphyxiation (suffocation) leading to death Respiratory disease (e.g. asthma) Damage to building materials like marble Retardation in crop growth Asphyxiation (suffocation) leading to death ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Which of the following is not an air pollutant? Pesticides Carcinogens Ozone Metallic powders Pesticides Carcinogens Ozone Metallic powders ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Threshold limit value (TLV) of CO in air is __________ ppm. 50 5000 2000 5 50 5000 2000 5 ANSWER DOWNLOAD EXAMIANS APP
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