Environmental Engineering in CE The lowest layer of atmosphere is known as the Stratosphere Ionosphere Troposphere None of these Stratosphere Ionosphere Troposphere None of these ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Beyond what concentration of H₂S in air, acute danger to human life exists? 50 ppm 100 ppm 300 ppm 700 ppm 50 ppm 100 ppm 300 ppm 700 ppm ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Replenishment of dissolved oxygen in water stream polluted with industrial waste occurs by Natural aeration of water stream Both A & B Photosynthetic action of algae Neither A nor B Natural aeration of water stream Both A & B Photosynthetic action of algae Neither A nor B ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Reingleman chart No. 2 corresponds to __________ percent black smoke. 10 20 40 80 10 20 40 80 ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Which of the following dust collection equipments is the least efficient (for sub-micronic particles)? Bag filter Dust catcher (gravity type) Cyclone separator Hollow wet scrubber Bag filter Dust catcher (gravity type) Cyclone separator Hollow wet scrubber ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE In sewage treatment, the detention period allowed for oxidation ponds ranges from __________ weeks. 9 to 10 1 to 2 15 to 20 4 to 5 9 to 10 1 to 2 15 to 20 4 to 5 ANSWER DOWNLOAD EXAMIANS APP
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