Environmental Engineering in CE Noise level during normal conversation among men is about __________ decibles. 90 45 115 10 90 45 115 10 ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Oil and grease present in an emulsified state in waste water discharged from industries can be removed by Chlorination Skimming off Settling out using chemical reagents Biological oxidation Chlorination Skimming off Settling out using chemical reagents Biological oxidation ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Disinfection of water is done to remove Color Bad taste Bacteria Foul odour Color Bad taste Bacteria Foul odour ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Polyvinyl chloride containers are not suitable for storing Woolen clothes Foodstuffs None of these Metallic powder Woolen clothes Foodstuffs None of these Metallic powder ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE In water chemical treatment plant, use of chloramines ensures Disinfection Taste & odour control Removal of permanent hardness Weed control in reservoirs Disinfection Taste & odour control Removal of permanent hardness Weed control in reservoirs ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Replenishment of dissolved oxygen in water stream polluted with industrial waste occurs by Both A & B Neither A nor B Photosynthetic action of algae Natural aeration of water stream Both A & B Neither A nor B Photosynthetic action of algae Natural aeration of water stream ANSWER DOWNLOAD EXAMIANS APP