Environmental Engineering in CE Turbidity of water is an indication of the presence of Dissolved gases Suspended inorganic matter Floating solids Dissolved solids Dissolved gases Suspended inorganic matter Floating solids Dissolved solids ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Brown spots in fabrics will be caused by washing with water containing large amount of . Zinc Iron Bromine Iodine Zinc Iron Bromine Iodine ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Aerobic biological oxidation ponds used for the purification of polluted water Is not very effective for nonbiodegradable substances (e.g. ABS) containing effluents All of these Destroys/removes pathogen from the sewage Destroys/removes pathogen much more effectively if the sewage is chlorinated Is not very effective for nonbiodegradable substances (e.g. ABS) containing effluents All of these Destroys/removes pathogen from the sewage Destroys/removes pathogen much more effectively if the sewage is chlorinated ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE The disinfection efficiency of chlorine increases by(i) Decreasing the time of contact(ii) Decreasing the temperature of water(iii) Increasing the temperature of water Both (i) and (iii) Both (i) and (ii) Only (iii) Only (i) Both (i) and (iii) Both (i) and (ii) Only (iii) Only (i) ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Which of the following is not a secondary air pollutant? Sulphur dioxide All of these Ozone Photochemical smog Sulphur dioxide All of these Ozone Photochemical smog ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Presence of a certain minimum quantity of flourine is desirable in potable water to prevent Water-borne disease Scale formation Dental cavities Corrosion Water-borne disease Scale formation Dental cavities Corrosion ANSWER DOWNLOAD EXAMIANS APP