Environmental Engineering in CE Replenishment of dissolved oxygen in water stream polluted with industrial waste occurs by Neither A nor B 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 ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Which of the following is the common pollutant emitted from metallurgical smelters, thermal power plant and cement plants? Hg NOx F SO₂ Hg NOx F SO₂ ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Which of the following dust collection equipments is the least efficient (for sub-micronic particles)? Cyclone separator Bag filter Dust catcher (gravity type) Hollow wet scrubber Cyclone separator Bag filter Dust catcher (gravity type) Hollow wet scrubber ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Presence of dissolved impurities of __________ is responsible for the red brownish color of water. Carbonates Bi-carbonates Iron & manganese Arsenic Carbonates Bi-carbonates Iron & manganese Arsenic ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Noise level heard at a distance of about 100 metres from a jet engine with after burner is about __________ decibels. 120 140 200 170 120 140 200 170 ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Algae growth in water is controlled by Deoxidation Aeration Chlorination Bleaching Deoxidation Aeration Chlorination Bleaching ANSWER DOWNLOAD EXAMIANS APP
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