Environmental Engineering in CE Which of the following acts as a natural source of air pollution? Deforestation Forest fire Volcanic eruption None of these Deforestation Forest fire Volcanic eruption None of these ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Which of the following is the most detrimental for water used in high pressure boiler? Silica Dissolved oxygen Turbidity Phenol Silica Dissolved oxygen Turbidity Phenol 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 Mechanical flocculation Circular clarifier Chemical coagulation Sedimentation tank Mechanical flocculation Circular clarifier Chemical coagulation ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE 5-200 μm size particles are called Colloids or aerosols Powder Smoke Dust Colloids or aerosols Powder Smoke Dust ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE BOD of raw municipal sewage may be in the range of about __________ mg/litre. 2000-3000 5-10 150-300 1-2 2000-3000 5-10 150-300 1-2 ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Algae growth in water is controlled by Bleaching Deoxidation Aeration Chlorination Bleaching Deoxidation Aeration Chlorination ANSWER DOWNLOAD EXAMIANS APP