Environmental Engineering in CE 'Safe limit' called Threshold Limit Value (TLV) of carbon monoxide in atmospheric air is < 50 ppm. The main source of carbon monoxide pollutant in air is the Industrial chimney exhaust Automobiles exhaust Photochemical reaction in polluted atmosphere Burning of domestic fuel Industrial chimney exhaust Automobiles exhaust Photochemical reaction in polluted atmosphere Burning of domestic fuel ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Peroxyacyl nitrate (PAN), a pollutant is found in the Exhaust of sulphuric acid plant Automobile exhaust Exhaust of nitric acid plant Flue gas of coal based power plant Exhaust of sulphuric acid plant Automobile exhaust Exhaust of nitric acid plant Flue gas of coal based power plant ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Which is the most practical and economical method for removal of suspended solid matter from polluted water? Chlorination Skimming off Sedimentation Biological oxidation Chlorination Skimming off Sedimentation Biological oxidation ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Noise pollution level in a chemical plant is expressed in Hertz None of these Roentgen Decibel Hertz None of these Roentgen Decibel ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE As per the world health organisation (WHO) specification, the maximum permissible concentration (i.e., TLV) of particulate matter in air is __________ μg/m³.(μg-microgram) 750 800 10 90 750 800 10 90 ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE TLV of lead for public sewer/waste water is about __________ ppm. 650 150 25 1 650 150 25 1 ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS