Environmental Engineering in CE The biological decomposition of organic substances in wastes controlled conditions is called None of these Incineration Biological oxidation Composting None of these Incineration Biological oxidation Composting ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Exposure to chemicals having carcinogenic properties cause Cancer Asphyxiation (suffocation) Dermatitis (skin disorder) Asthma Cancer Asphyxiation (suffocation) Dermatitis (skin disorder) Asthma ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Presence of non-biodegradable substances, like alkyl benzene sulphonate (ABS) from the detergents in polluted water stream causes Explosion hazards Depletion of dissolved oxygen Fire hazards Persistent foam Explosion hazards Depletion of dissolved oxygen Fire hazards Persistent foam ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Foaming and priming in boiler operation can be reduced by reduction in __________ in feed water. Color (Hazen) Total solids Turbidity All of these Color (Hazen) Total solids Turbidity All of these 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? Idle running Acceleration Cruising Deaccelaration Idle running Acceleration Cruising Deaccelaration ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE The term Biological Oxygen Demand (BOD) is used in relation to Cooling water Industrial effluents Distilled water Potable water Cooling water Industrial effluents Distilled water Potable water ANSWER DOWNLOAD EXAMIANS APP