Environmental Engineering in CE Inhalation of silica dust causes a disease called Pneumoconiosis Silicosis Bronchitis None of these Pneumoconiosis Silicosis Bronchitis None of these ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE The disinfection efficiency of chlorine increases by(i) Decreasing the time of contact(ii) Decreasing the temperature of water(iii) Increasing the temperature of water Both (i) and (ii) Both (i) and (iii) Only (iii) Only (i) Both (i) and (ii) Both (i) and (iii) Only (iii) Only (i) 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? Biological oxidation Skimming off Sedimentation Chlorination Biological oxidation Skimming off Sedimentation Chlorination 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. 60 120 90 20 60 120 90 20 ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Carcinogenic air pollutants cause Bone decay Cancer Asphyxiation (suffocation) Anemia Bone decay Cancer Asphyxiation (suffocation) Anemia ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Inorganic impurities causing water pollution is Fats Protein Salts of metals Carbohydrates Fats Protein Salts of metals Carbohydrates ANSWER DOWNLOAD EXAMIANS APP