Environmental Engineering in CE The main industrial source of emission of hydrogen sulphide air pollutant is Pulp and paper plant Metallurgical roasting & smelting plant Petroleum refineries Coal based thermal power plants Pulp and paper plant Metallurgical roasting & smelting plant Petroleum refineries Coal based thermal power plants ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE TLV of ozone (O₃) and phosgene (COCl₂) in air is __________ ppm. 100 25 0.1 1000 100 25 0.1 1000 ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE High concentration of carcinogenic hydrocarbon pollutants in atmospheric air causes Cancer Silicosis Reduced crop yield Respiratory disease (e.g., asthma) Cancer Silicosis Reduced crop yield Respiratory disease (e.g., asthma) ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Maximum allowable noise exposure limits for a man working for 8 hours a day in a noisy chemical plant is about __________ decibels. 60 90 20 120 60 90 20 120 ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE The main pollutant in waste water discharged from a petroleum refinery is oil (both in free and emulsified form). Free oil is removed by Aerated lagoons Trickling filters Biological oxygen pond Gravity separator having oil skimming devices Aerated lagoons Trickling filters Biological oxygen pond Gravity separator having oil skimming devices ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Water filtration rate in a slow sand filter ranges from __________ litres/m²/hr. 4000 to 5000 10 to 20 100 to 200 1500 to 2500 4000 to 5000 10 to 20 100 to 200 1500 to 2500 ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS