Environmental Engineering in CE Which of the following dust collection equipments is the least efficient (for sub-micronic particles)? Dust catcher (gravity type) Cyclone separator Bag filter Hollow wet scrubber Dust catcher (gravity type) Cyclone separator Bag filter Hollow wet scrubber 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 Presence of __________ in water stream are deleterious to aquatic life. Suspended solids Heavy metals and cynides All of these Soluble and toxic organics Suspended solids Heavy metals and cynides All of these Soluble and toxic organics ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE The effect of increase in carbon dioxide level of the atmosphere and its profound effect on our climate is called the Global warming Green house effect Both B and C Catalytic conversion Global warming Green house effect Both B and C Catalytic conversion ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Radioactive substances present in the polluted water stream can be removed by None of these Coagulation and filtration Adsorption in ion exchange materials Biological oxygen treatment None of these Coagulation and filtration Adsorption in ion exchange materials Biological oxygen treatment ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE The lowest layer of atmosphere is known as the Ionosphere None of these Troposphere Stratosphere Ionosphere None of these Troposphere Stratosphere ANSWER DOWNLOAD EXAMIANS APP
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