Environmental Engineering in CE Limestone powder is injected during pulverised coal burning in boilers to __________ the flue gases. Catalytically convert SO₂ to SO₃ in Increase the dew point of None of these Reduce SO₂ content in Catalytically convert SO₂ to SO₃ in Increase the dew point of None of these Reduce SO₂ content in ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Sound produced by an automobile horn heard at a distance of 1.5 metres corresponds to about __________ decibels. 180 90 120 150 180 90 120 150 ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Noise level audible to audience sitting in the 5th row from the stage during a large orchestra show corresponds to about __________ decibels. 160 105 135 185 160 105 135 185 ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE On prolonged exposure to high concentration of carbon monoxide (> 5000 ppm), man dies because Of jamming of respiratory tract It forms CO₂ by combining with oxygen present in the blood It forms carboxyhaemoglobin by combining with haemoglobin of blood, thereby making it incapable of absorbing oxygen Of clotting of blood Of jamming of respiratory tract It forms CO₂ by combining with oxygen present in the blood It forms carboxyhaemoglobin by combining with haemoglobin of blood, thereby making it incapable of absorbing oxygen Of clotting of blood ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Which of the following dust collection equipments is the least efficient (for sub-micronic particles)? Cyclone separator Hollow wet scrubber Bag filter Dust catcher (gravity type) Cyclone separator Hollow wet scrubber Bag filter Dust catcher (gravity type) ANSWER DOWNLOAD EXAMIANS APP