Environmental Engineering in CE The permissible color for domestic water supply is __________ ppm. 1 20 1000 100 1 20 1000 100 ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Water effluent generated in printing industry is decolourised by Electrolytic decomposition Adsorption Ion exchange technique Reverse osmosis Electrolytic decomposition Adsorption Ion exchange technique Reverse osmosis ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Exposure to small amount of __________ results in high blood pressure & heart disease in human beings. Cadmium Asbestos Mercury Hydrogen sulphide Cadmium Asbestos Mercury Hydrogen sulphide ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE The average thickness of ozone layer in stratosphere is about __________ dobson unit (DU). 1500 750 230 20 1500 750 230 20 ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Tri-sodium phosphate is used in boiler water treatment to reduce Caustic embrittlement Suspended silica Turbidity Dissolved oxygen Caustic embrittlement Suspended silica Turbidity Dissolved oxygen ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Which of the following is the most active zone of atmosphere in which weathering events like rain, storm & lightning occur? Stratosphere Troposphere Thermosphere None of these Stratosphere Troposphere Thermosphere None of these ANSWER DOWNLOAD EXAMIANS APP