Environmental Engineering in CE Which of the following processes is involved in the biochemical treatment of sewage effluents? Reduction Fermentation Oxidation Dehydration Reduction Fermentation Oxidation Dehydration ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE 'Safe limit' called Threshold Limit Value (TLV) of carbon monoxide in atmospheric air is < 50 ppm. The main source of carbon monoxide pollutant in air is the Automobiles exhaust Industrial chimney exhaust Burning of domestic fuel Photochemical reaction in polluted atmosphere Automobiles exhaust Industrial chimney exhaust Burning of domestic fuel Photochemical reaction in polluted atmosphere ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Carbon monoxide is a pollutant, which causes Retardation in crop growth Damage to building materials like marble Asphyxiation (suffocation) leading to death Respiratory disease (e.g. asthma) Retardation in crop growth Damage to building materials like marble Asphyxiation (suffocation) leading to death Respiratory disease (e.g. asthma) ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Smog is Nothing but black smoke A liquid particle resulting from vapor condensation A combination of smoke and fog A solid particle e.g. flyash Nothing but black smoke A liquid particle resulting from vapor condensation A combination of smoke and fog A solid particle e.g. flyash ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE If the coli form bacteria is present in a sample of water, then the coli-form test to be conducted is(i) Presumptive coli-form test(ii) Confirmed coli-form test(iii) Completed coli-form test Both (i) and (ii) All (i), (ii) and (iii) Both (i) and (iii) Only (i) Both (i) and (ii) All (i), (ii) and (iii) Both (i) and (iii) Only (i) ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Methyl iso-cynate (MIC) gas (TLV <1 ppm), which caused Bhopal gas tragedy in 1984 falls under the category of __________ toxic gas. Moderately Very extremely Highly Extremely Moderately Very extremely Highly Extremely ANSWER DOWNLOAD EXAMIANS APP
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