Environmental Engineering in CE Inhalation of silica dust causes a disease called Bronchitis Pneumoconiosis None of these Silicosis Bronchitis Pneumoconiosis None of these Silicosis ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Carbonaceous particles having size less than 1 μm are called Smoke Aggregates Grit Aerosols Smoke Aggregates Grit Aerosols ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Noise level inside a jet air liner in normal flight is about __________ decibels. 125 100 80 145 125 100 80 145 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? Sedimentation Chlorination Skimming off Biological oxidation Sedimentation Chlorination Skimming off Biological oxidation ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Which of the following is not an air pollutant? Pesticides Carcinogens Metallic powders Ozone Pesticides Carcinogens Metallic powders Ozone ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE COD of raw municipal sewage may be in the range of about __________ mg/litre. 5-10 90-120 1-2 1500-2500 5-10 90-120 1-2 1500-2500 ANSWER DOWNLOAD EXAMIANS APP