Environmental Engineering in CE The principal gas evolved from sludge digestion tank is N₂ CO₂ CH₄ CO N₂ CO₂ CH₄ CO ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE BOD of raw municipal sewage may be in the range of about __________ mg/litre. 150-300 5-10 2000-3000 1-2 150-300 5-10 2000-3000 1-2 ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Pick out the one which is not a chemical coagulant. Chloramine Ferrous sulphate Hydrated lime Aluminium sulphate Chloramine Ferrous sulphate Hydrated lime Aluminium sulphate ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE In the context of the chemical process industries, the term BOD is normally associated with the Characterisation of liquid effluents Characterisation of boiler feed water Characterisation of solid wastes Organic concentration in gaseous effluents Characterisation of liquid effluents Characterisation of boiler feed water Characterisation of solid wastes Organic concentration in gaseous effluents ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE When the concentration of SO₂ in air is greater than __________ ppm, it gives a pungent smell. 0.1 0.01 4 1 0.1 0.01 4 1 ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Maximum allowable concentration of CO₂ in air for safe working is __________ ppm (parts per million). 2000 1000 5000 50 2000 1000 5000 50 ANSWER DOWNLOAD EXAMIANS APP