Environmental Engineering in CE Fluorosis (a bone disease) is caused by the presence of high concentration of __________ in atmospheric air. Nitrogen dioxide Hydrocarbons Hydrogen flouride Hydrogen sulphides Nitrogen dioxide Hydrocarbons Hydrogen flouride Hydrogen sulphides ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Global warming may result in Decrease in food productivity All of these Flood Cyclone Decrease in food productivity All of these Flood Cyclone ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Growth of __________ is promoted by the presence of manganese in water. Algae Files Micro-organisms Mosquitoes Algae Files Micro-organisms Mosquitoes ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Which of the following is a manmade source of air pollution? Bacterial action in soil and swamp areas Forest fire All of these Automobile exhaust Bacterial action in soil and swamp areas Forest fire All of these Automobile exhaust ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Which of the following acts as a natural source of air pollution? Deforestation None of these Volcanic eruption Forest fire Deforestation None of these Volcanic eruption Forest fire ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Dust collection efficiency of a cyclone separator depends upon its Diameter Overall height All of these Inlet gas velocity Diameter Overall height All of these Inlet gas velocity ANSWER DOWNLOAD EXAMIANS APP