Environmental Engineering in CE In water chemical treatment plant, use of chloramines ensures Weed control in reservoirs Disinfection Taste & odour control Removal of permanent hardness Weed control in reservoirs Disinfection Taste & odour control Removal of permanent hardness ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE H₂S present in gaseous stream can be removed by adsorption on Limestone powder Active carbon Silica gel Bog iron Limestone powder Active carbon Silica gel Bog iron ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE The resistance of water to the passage of light through it is a measure of the Dissolved gases Color Turbidity Hardness Dissolved gases Color Turbidity Hardness ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE The main pollutant in waste water discharged from a petroleum refinery is oil (both in free and emulsified form). Free oil is removed by Aerated lagoons Biological oxygen pond Gravity separator having oil skimming devices Trickling filters Aerated lagoons Biological oxygen pond Gravity separator having oil skimming devices Trickling filters ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Lagooning process is mainly a means of the Biological treatment of wastes Reduction of excessive flow in sewers Sludge disposal None of these Biological treatment of wastes Reduction of excessive flow in sewers Sludge disposal None of these ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Which of the following is an adsorbant for removal of nitrogen oxides from gas/air? Bog iron (iron oxide) Silica gel Pulverised limestone Active carbon Bog iron (iron oxide) Silica gel Pulverised limestone Active carbon ANSWER DOWNLOAD EXAMIANS APP
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