Environmental Engineering in CE The principal gas evolved from sludge digestion tank is CO₂ N₂ CH₄ CO CO₂ N₂ CH₄ CO 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? Carbon monoxide Acetylene Hydrogen Ammonia Carbon monoxide Acetylene Hydrogen Ammonia ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Higher concentration of CO₂ in atmosphere All of these Allows visible solar radiation (ultraviolet) of short wave-length to pass through Reflects and absorbs the longer wavelength (infra-red) radiations Prevents solar heat being radiated out completely, resulting in All of these Allows visible solar radiation (ultraviolet) of short wave-length to pass through Reflects and absorbs the longer wavelength (infra-red) radiations Prevents solar heat being radiated out completely, resulting in ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Pick out the one which is not a chemical coagulant. Ferrous sulphate Hydrated lime Aluminium sulphate Chloramine Ferrous sulphate Hydrated lime Aluminium sulphate Chloramine ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Ionisation potential employed in the industrial electrostatic precipitator is of the order of 30 to 70 kV DC 230 V AC 230 V DC 30 to 70 kV AC 30 to 70 kV DC 230 V AC 230 V DC 30 to 70 kV AC ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Peroxyacyl nitrate (PAN), a pollutant is found in the Exhaust of nitric acid plant Flue gas of coal based power plant Automobile exhaust Exhaust of sulphuric acid plant Exhaust of nitric acid plant Flue gas of coal based power plant Automobile exhaust Exhaust of sulphuric acid plant ANSWER DOWNLOAD EXAMIANS APP