Environmental Engineering in CE If carbon monoxide content in atmospheric air exceeds __________ ppm, death is bound to occur. 50 3000 (i.e. 0.3%) 1000 500 50 3000 (i.e. 0.3%) 1000 500 ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Smoke is produced due to Insufficient supply of combustion air and insufficient time for combustion Poor quality of fuel and improper mixing of fuel & combustion air Poor design & overloading of furnace All of these Insufficient supply of combustion air and insufficient time for combustion Poor quality of fuel and improper mixing of fuel & combustion air Poor design & overloading of furnace All of these 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 Trickling filters Gravity separator having oil skimming devices Aerated lagoons Biological oxygen pond Trickling filters Gravity separator having oil skimming devices Aerated lagoons Biological oxygen pond ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE What is the major constituents of waste/polluted water discharged from textile, pulp & paper, tanning, distillary, dairy and meat packing industries? None of these Inorganic pollutants Radioactive substances Natural organic products None of these Inorganic pollutants Radioactive substances Natural organic products ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Which is the best and the most effective method for the removal of organic contaminant present in the polluted water in very small quantity (say < 200 mg/litre)? Biological oxidation pond Chemical coagulation Activated carbon adsorption Lagooning Biological oxidation pond Chemical coagulation Activated carbon adsorption Lagooning ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Oilish impurities present the effluent discharged from the electroplating industry is normally not removed by Chemical coagulation Ultrafiltration Centrifugation Floatation & skimming Chemical coagulation Ultrafiltration Centrifugation Floatation & skimming ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS