Mechanical Operations In constant pressure filtration, Rate of filtration decreases with time Rate of filtration increases with time Rate of filtration is constant Resistance decreases with time Rate of filtration decreases with time Rate of filtration increases with time Rate of filtration is constant Resistance decreases with time ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations The specific cake resistance for incompressible sludges is (where ΔP = pressure drop over cake) ∝ √ΔP Independent of ΔP ∝ ΔP ∝ 1/ ΔP ∝ √ΔP Independent of ΔP ∝ ΔP ∝ 1/ ΔP ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Which of the following is the most suitable filter for separation of abrasive solids suspended in a corrosive liquid? Sand bed filter Vacuum filter Batch basket centrifuge Plate and frame filter press Sand bed filter Vacuum filter Batch basket centrifuge Plate and frame filter press ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Which of the following is a continuous filter? Shell and leaf filter Cartridge filter Plate and frame filter None of these Shell and leaf filter Cartridge filter Plate and frame filter None of these 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 time zero When half the filtrate has been obtained At the end of filtration At the end of filtration, but decreases with time subsequently At time zero When half the filtrate has been obtained At the end of filtration At the end of filtration, but decreases with time subsequently ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations __________ is the most commonly used 'filter aid'. Fuller's earth Semi-plastic clay Vermiculite Diatomaceous earth Fuller's earth Semi-plastic clay Vermiculite Diatomaceous earth ANSWER DOWNLOAD EXAMIANS APP