Environmental Engineering in CE In a sedimentation tank, the detention period for water ranges from __________ hours. 8 to 12 2 to 4 16 to 20 24 to 32 8 to 12 2 to 4 16 to 20 24 to 32 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 None of these Stratosphere Ionosphere Troposphere None of these Stratosphere Ionosphere Troposphere ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Most efficient and suitable dust removal equipment for removal of flyash from flue gas in a thermal power plant is the Bag filter Cyclone separator Gravity settling chamber Electrostatic precipitator Bag filter Cyclone separator Gravity settling chamber Electrostatic precipitator ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Dust collection efficiency of a cyclone separator depends upon its Diameter Overall height All of these Inlet gas velocity Diameter Overall height All of these Inlet gas velocity ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Pick out the one which is not a chemical coagulant. Hydrated lime Chloramine Ferrous sulphate Aluminium sulphate Hydrated lime Chloramine Ferrous sulphate Aluminium sulphate ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Presence of volatile compounds like gasoline, oil, alcohol, ether etc. in municipal sewers may cause Corrosion Explosion Undesirable plant growth Non biodegradable foam Corrosion Explosion Undesirable plant growth Non biodegradable foam ANSWER DOWNLOAD EXAMIANS APP
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