Mechanical Operations Tabular bowl centrifuges as compared to disk bowl centrifuges Can not be operated under pressure/vacuum Operate at higher speed Can't be used for separation of fine suspended solids from a liquid Employ bowl of larger diameter Can not be operated under pressure/vacuum Operate at higher speed Can't be used for separation of fine suspended solids from a liquid Employ bowl of larger diameter ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations To remove very small amount of tiny solid impurities from liquid, we use a Centrifugal filter Coagulant Pressure filter Vacuum filter Centrifugal filter Coagulant Pressure filter Vacuum filter ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations The specific cake resistance for incompressible sludges is (where ΔP = pressure drop over cake) ∝ √ΔP ∝ ΔP Independent of ΔP ∝ 1/ ΔP ∝ √ΔP ∝ ΔP Independent of ΔP ∝ 1/ ΔP ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations During washing of filter at the end of constant pressure filtration, the rate of washing equals the rate of filtration At the end of filtration At time zero At the end of filtration, but decreases with time subsequently When half the filtrate has been obtained At the end of filtration At time zero At the end of filtration, but decreases with time subsequently When half the filtrate has been obtained ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Solid particles separation based on the difference in their flow velocities through fluids is termed as the Classification Clarification Elutriation Sedimentation Classification Clarification Elutriation Sedimentation ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Wheat is ground into flour in a Fluid energy mill Roller crusher Impact mill Hammer crusher Fluid energy mill Roller crusher Impact mill Hammer crusher ANSWER DOWNLOAD EXAMIANS APP
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