Mechanical Operations The specific cake resistance for incompressible sludges is (where ΔP = pressure drop over cake) ∝ 1/ ΔP Independent of ΔP ∝ √ΔP ∝ ΔP ∝ 1/ ΔP Independent of ΔP ∝ √ΔP ∝ ΔP ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations The equivalent diameter of channel of a constant non-circular cross-section of 3 cm by 6 cm will be __________ cms. 20 2 8 12 20 2 8 12 ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Separation of a suspension or slurry into a supernatant clear liquid (free from particles) and a thick sludge containing a high concentration of solid is called Clarification Sedimentation Classification Decantation Clarification Sedimentation Classification Decantation ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations A propeller agitator Is used for mixing high viscosity pastes Produces mainly axial flow Runs at very slow speed (2 rpm) All of these Is used for mixing high viscosity pastes Produces mainly axial flow Runs at very slow speed (2 rpm) All of these ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Shell and leaf filter as compared to plate and frame filter Facilitates filtration under higher pressure Entails less labor cost Provides more effective washing All of these Facilitates filtration under higher pressure Entails less labor cost Provides more effective washing All of these ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Separation of solid particles based on their densities is called Clarification Dispersion Sorting Sizing Clarification Dispersion Sorting Sizing ANSWER DOWNLOAD EXAMIANS APP