Environmental Engineering in CE Most of the atmospheric air pollutants are present in large quantity in Thermosphere Stratosphere Trophosphere Mesosphere Thermosphere Stratosphere Trophosphere Mesosphere ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Atmospheric pollution caused by the exhaust gas of supresonic transport air-crafts is mostly in the atmospheric region called Troposphere Stratosphere Mesosphere Thermosphere Troposphere Stratosphere Mesosphere Thermosphere ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE The principal gas evolved from sludge digestion tank is CO₂ CO CH₄ N₂ CO₂ CO CH₄ N₂ ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Presence of volatile compounds like gasoline, oil, alcohol, ether etc. in municipal sewers may cause Undesirable plant growth Non biodegradable foam Explosion Corrosion Undesirable plant growth Non biodegradable foam Explosion Corrosion ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE The density of the gases (present in air) decreases with increasing altitude to such an extent, that about 70% of the mass of atmospheric air is found in the lower 5 km. of the atmosphere. This lower region of atmosphere is called the Troposphere Stratosphere None of these Ionosphere Troposphere Stratosphere None of these Ionosphere ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Septic tank is a(i) Settling tank(ii) Digestion tank(iii) Aeration tank (i) and (iii) (i) and (ii) Only (iii) Only (i) (i) and (iii) (i) and (ii) Only (iii) Only (i) ANSWER DOWNLOAD EXAMIANS APP