Environmental Engineering in CE Fluorosis (a bone disease) is caused by the presence of high concentration of __________ in atmospheric air. Nitrogen dioxide Hydrogen sulphides Hydrocarbons Hydrogen flouride Nitrogen dioxide Hydrogen sulphides Hydrocarbons Hydrogen flouride ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE The major reason of hydrodynamic noise (i.e., noise resulting from liquid flow) is Boundary layer separation Cavitation Pipe vibrations Fluctuation in liquid flow Boundary layer separation Cavitation Pipe vibrations Fluctuation in liquid flow ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Persons working in cement plants and limestone quarries are more prone to disease like Flourosis (bone disease) Cancer Asthma Silicosis Flourosis (bone disease) Cancer Asthma Silicosis ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE __________ content of the phosphate rock is the pollutant of primary interest in a phos-phatic fertiliser plant. Fluorine Sulphur Phosphorous Calcium Fluorine Sulphur Phosphorous Calcium ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE The function of skimming tank in sewage treatment is to remove __________ substances. Gritty & inorganic Suspended solid Oil & fatty Dissolved solid Gritty & inorganic Suspended solid Oil & fatty Dissolved solid ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE What are the methods of treatment & disposal of radioactive wastes? Biological methods & adsorption in ion exchange materials Fixing into a solid mass with cement and sinking deep in the sea Evaporation & chemical precipitation All of these Biological methods & adsorption in ion exchange materials Fixing into a solid mass with cement and sinking deep in the sea Evaporation & chemical precipitation All of these ANSWER DOWNLOAD EXAMIANS APP