Environmental Engineering in CE TLV of aldrin in public water supply system is about __________ μg/litre. 0.5 17 357 1097 0.5 17 357 1097 ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE COD of raw municipal sewage may be in the range of about __________ mg/litre. 1-2 5-10 1500-2500 90-120 1-2 5-10 1500-2500 90-120 ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE The pH value of potable water should be between 4 to 5 6.5 to 8 1 to 1.5 13 to 14 4 to 5 6.5 to 8 1 to 1.5 13 to 14 ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Noise produced by cooling fans (employed in air cooled heat exchangers or cooling tower) is mainly caused due to the turbulence created by blade passage through air. It can be reduced by use of a slower fan Of increased diameter Neither A nor B Both A & B With greater number of blades Of increased diameter Neither A nor B Both A & B With greater number of blades ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Which of the following is the common pollutant emitted from metallurgical smelters, thermal power plant and cement plants? SO₂ NOx Hg F SO₂ NOx Hg F ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Higher concentration of nitrogen dioxide in atmospheric air causes Cancer Corrosion Bronchitis Asphyxiation Cancer Corrosion Bronchitis Asphyxiation ANSWER DOWNLOAD EXAMIANS APP