Environmental Engineering in CE In sewage treatment, its sedimentation is speeded up by commonly adding Hydrochloric acid Sodium sulphate Lime Copper sulphate Hydrochloric acid Sodium sulphate Lime Copper sulphate ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Which is the most efficient dust removal equipment for removal of sub-micronic dust particles from blast furnace gas? Gravity settling chamber Packed scrubber Hydrocyclone Electrostatic precipitator Gravity settling chamber Packed scrubber Hydrocyclone Electrostatic precipitator ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Operating principle of cyclone separator is based on the action of __________ dust particles. Gravitational force on Electrostatic force on Diffusion of Centrifugal force on Gravitational force on Electrostatic force on Diffusion of Centrifugal force on ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE A shallow pond in which the sewage is retained and biologically treated is called Lagoon Imhoff tank Oxidation Skimming tank Lagoon Imhoff tank Oxidation Skimming tank ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Which of the following dust collection equipments is the least efficient (for sub-micronic particles)? Dust catcher (gravity type) Bag filter Cyclone separator Hollow wet scrubber Dust catcher (gravity type) Bag filter Cyclone separator Hollow wet scrubber 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? Chemical coagulation Mechanical flocculation Circular clarifier Sedimentation tank Chemical coagulation Mechanical flocculation Circular clarifier Sedimentation tank ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS