Environmental Engineering in CE Oilish impurities present the effluent discharged from the electroplating industry is normally not removed by Floatation & skimming Centrifugation Chemical coagulation Ultrafiltration Floatation & skimming Centrifugation Chemical coagulation Ultrafiltration ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Maximum permissible residual chlorine in treated water should be __________ mg/litre. 5 to 10 0.001 to 0.01 2 to 3 02 to 0.3 5 to 10 0.001 to 0.01 2 to 3 02 to 0.3 ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Average human body contains about __________ percent water by weight. 40 20 85 70 40 20 85 70 ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Inhalation of silica dust by human being causes Shortness of breath Tuberculosis Asphyxiation Both B & C Shortness of breath Tuberculosis Asphyxiation Both B & C ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Which of the following is the most efficient for removal of very finely divided suspended solids and colloidal matter from the polluted water stream? Sedimentation tank Circular clarifier Mechanical flocculation Chemical coagulation Sedimentation tank Circular clarifier Mechanical flocculation Chemical coagulation ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE A shallow pond in which the sewage is retained and biologically treated is called Skimming tank Oxidation Lagoon Imhoff tank Skimming tank Oxidation Lagoon Imhoff tank ANSWER DOWNLOAD EXAMIANS APP