Environmental Engineering in CE A man exposed to excessive noise level in the working environment may suffer from Hearing loss Nervousness & fatigue All of these Rupture of ear drum Hearing loss Nervousness & fatigue All of these Rupture of ear drum ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Pick out the one which is not a chemical coagulant. Hydrated lime Chloramine Aluminium sulphate Ferrous sulphate Hydrated lime Chloramine Aluminium sulphate Ferrous sulphate 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 Neither A nor B Photosynthetic action of algae Both A & B Natural aeration of water stream Neither A nor B Photosynthetic action of algae Both A & B ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE In sewage treatment, the detention period allowed for oxidation ponds ranges from __________ weeks. 15 to 20 4 to 5 1 to 2 9 to 10 15 to 20 4 to 5 1 to 2 9 to 10 ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Fluorosis (a bone disease) is caused by the presence of high concentration of __________ in atmospheric air. Hydrocarbons Nitrogen dioxide Hydrogen flouride Hydrogen sulphides Hydrocarbons Nitrogen dioxide Hydrogen flouride Hydrogen sulphides ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE The average thickness of ozone layer in stratosphere is about __________ dobson unit (DU). 750 20 1500 230 750 20 1500 230 ANSWER DOWNLOAD EXAMIANS APP
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