Environmental Engineering in CE In a sedimentation tank, the detention period for water ranges from __________ hours. 16 to 20 8 to 12 2 to 4 24 to 32 16 to 20 8 to 12 2 to 4 24 to 32 ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE The effect of increase in carbon dioxide level of the atmosphere and its profound effect on our climate is called the Green house effect Global warming Catalytic conversion Both B and C Green house effect Global warming Catalytic conversion Both B and C ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE In large thermal power stations very fine particulates present in flue gas are removed by Bag filter Dust catcher Electrostatic precipitators Wet scrubber Bag filter Dust catcher Electrostatic precipitators Wet scrubber ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Lung cancer & DNA breakage are the major ill effects of excessive ozone exposure to human beings. Ozone layer depletion in the atmosphere is mainly caused by the presence of Hydrocarbons CO₂ SO₂ CFC (chloro fluoro carbon) Hydrocarbons CO₂ SO₂ CFC (chloro fluoro carbon) ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Dust collection efficiency of a cyclone separator depends upon its All of these Overall height Diameter Inlet gas velocity All of these Overall height Diameter Inlet gas velocity ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Maximum allowable concentration of CO₂ in air for safe working is __________ ppm (parts per million). 1000 5000 50 2000 1000 5000 50 2000 ANSWER DOWNLOAD EXAMIANS APP