Environmental Engineering in CE Septic tank is a(i) Settling tank(ii) Digestion tank(iii) Aeration tank Only (iii) (i) and (iii) Only (i) (i) and (ii) Only (iii) (i) and (iii) Only (i) (i) and (ii) ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Lung cancer & DNA breakage are the major ill effects of excessive ozone exposure to human beings. Ozone layer depletion in the atmosphere is mainly caused by the presence of CO₂ Hydrocarbons CFC (chloro fluoro carbon) SO₂ CO₂ Hydrocarbons CFC (chloro fluoro carbon) SO₂ ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE On prolonged exposure to high concentration of carbon monoxide (> 5000 ppm), man dies because Of clotting of blood It forms carboxyhaemoglobin by combining with haemoglobin of blood, thereby making it incapable of absorbing oxygen It forms CO₂ by combining with oxygen present in the blood Of jamming of respiratory tract Of clotting of blood It forms carboxyhaemoglobin by combining with haemoglobin of blood, thereby making it incapable of absorbing oxygen It forms CO₂ by combining with oxygen present in the blood Of jamming of respiratory tract ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Fresh domestic sewage is __________ in color. Dark brown Grey Red Black Dark brown Grey Red Black ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE The length of rectangular sedimentation tank should not be more than(Where ‘B’ is the width of the tank) 8B 4B B 2B 8B 4B B 2B ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Water filtration rate in a slow sand filter ranges from __________ litres/m²/hr. 10 to 20 1500 to 2500 100 to 200 4000 to 5000 10 to 20 1500 to 2500 100 to 200 4000 to 5000 ANSWER DOWNLOAD EXAMIANS APP