Environmental Engineering in CE Which is a secondary air pollutant? Nitrogen dioxide Photochemical smog Dust particles Sulphur dioxide Nitrogen dioxide Photochemical smog Dust particles Sulphur dioxide ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Bag filter design is predominantly dependent on gas temperature, as it affects the gas density & viscosity and the selection of filtering material. The pressure drop in a bag filter is Both B and C Inversely proportional to viscosity of gas Proportional to the pressure of the gas Proportional to the viscosity & density of the gas Both B and C Inversely proportional to viscosity of gas Proportional to the pressure of the gas Proportional to the viscosity & density of the gas ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE The widest explosive limit is of __________ , thereby making it the most explosive gas. Petrol vapor Hydrogen Carbon monoxide Acetylene Petrol vapor Hydrogen Carbon monoxide Acetylene ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Noise level heard inside a bus in busy city traffic or inside a sub-way train corresponds to about __________ decibels. 95 75 120 140 95 75 120 140 ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE In sewage treatment, the detention period allowed for oxidation ponds ranges from __________ weeks. 4 to 5 15 to 20 1 to 2 9 to 10 4 to 5 15 to 20 1 to 2 9 to 10 ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Cleaning is done by(i) Scraping and removal in filters slow sand(ii) Back washing in slow sand filters(iii) Scraping and removal in filters rapid sand(iv) Back washing in rapid sand filtersThe correct answer is (i) and (ii) (i) and (iv) (ii) and (iv) (ii) and (iii) (i) and (ii) (i) and (iv) (ii) and (iv) (ii) and (iii) ANSWER DOWNLOAD EXAMIANS APP
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