Environmental Engineering in CE In water treatment plant, zeolite process is used to remove the __________ of water. Hardness Iron & zinc Acidity Alkalinity Hardness Iron & zinc Acidity Alkalinity 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 Fire hazards Explosion hazards Depletion of dissolved oxygen Persistent foam Fire hazards Explosion hazards Depletion of dissolved oxygen Persistent foam ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Operating principle of cyclone separator is based on the action of __________ dust particles. Diffusion of Centrifugal force on Gravitational force on Electrostatic force on Diffusion of Centrifugal force on Gravitational force on Electrostatic force on ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE The pH value of oxidised sewage is about 7.3 6.2 13.4 1.8 7.3 6.2 13.4 1.8 ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Which of the following gases is having the widest explosion limit (about 2 to 81% gas in gas-air mixture), rendering it the property of the most explosive gas? Hydrogen Carbon monoxide Ammonia Acetylene Hydrogen Carbon monoxide Ammonia Acetylene ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE The biological decomposition of organic substances in wastes controlled conditions is called None of these Composting Biological oxidation Incineration None of these Composting Biological oxidation Incineration ANSWER DOWNLOAD EXAMIANS APP
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