Environmental Engineering in CE Pick out the one which is not a chemical coagulant. Aluminium sulphate Ferrous sulphate Hydrated lime Chloramine Aluminium sulphate Ferrous sulphate Hydrated lime Chloramine ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Operating principle of cyclone separator is based on the action of __________ dust particles. Gravitational force on Centrifugal force on Diffusion of Electrostatic force on Gravitational force on Centrifugal force on Diffusion of Electrostatic force on ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Septic tanks are used for the __________ of the deposited solids. None of these Separation Anaerobic decomposition Aerobic decomposition None of these Separation Anaerobic decomposition Aerobic decomposition ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Scale formation in boiler is controlled by Preheating of feed water Reduction in hardness, silica & alumina in feed water Eliminating H₂S in feed water Keeping the pH value of feed water just below 7 Preheating of feed water Reduction in hardness, silica & alumina in feed water Eliminating H₂S in feed water Keeping the pH value of feed water just below 7 ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE The term Biological Oxygen Demand (BOD) is used in relation to Distilled water Potable water Industrial effluents Cooling water Distilled water Potable water Industrial effluents Cooling water ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Which of the following industries discharge mercury as a pollutant? Tanneries Beverage plant Phosphoric acid plant Chloro-alkali industry Tanneries Beverage plant Phosphoric acid plant Chloro-alkali industry ANSWER DOWNLOAD EXAMIANS APP
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