Environmental Engineering in CE TLV of lead for public sewer/waste water is about __________ ppm. 650 1 25 150 650 1 25 150 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 Only (iii) Both (i) and (iii) Both (i) and (ii) Only (i) Only (iii) Both (i) and (iii) Both (i) and (ii) Only (i) ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Global warming may result in Decrease in food productivity Cyclone All of these Flood Decrease in food productivity Cyclone All of these Flood ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Arsenic pollutant is not generated in____industries. Any of these Tanneries Glass & ceramic Beverages Any of these Tanneries Glass & ceramic Beverages ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE The permissible color for domestic water supply is __________ ppm. 100 20 1 1000 100 20 1 1000 ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Fluorosis (a bone disease) is caused by the presence of high concentration of __________ in atmospheric air. Hydrogen flouride Hydrocarbons Nitrogen dioxide Hydrogen sulphides Hydrogen flouride Hydrocarbons Nitrogen dioxide Hydrogen sulphides ANSWER DOWNLOAD EXAMIANS APP