Mass Transfer Occurrence of 'case hardening' during drying of a high moisture solid cake __________ the drying rate. Exponentially increases Increases Decreases Does not affect Exponentially increases Increases Decreases Does not affect ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer In distillation, overhead product contains Two components Any number of components Only saturated liquid Only one component Two components Any number of components Only saturated liquid Only one component ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer For the gas absorption, the height of a transfer unit, based on the gas phase is given by (G: superficial molar gas velocity, L: superficial molar liquid velocity, FG:mass transfer co-efficient, mols/m² , a: in-terfacial area per unit volume of tower) L/(FG.G) FG/(G.a) (G.a)/FG F/(FG.a) L/(FG.G) FG/(G.a) (G.a)/FG F/(FG.a) ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer In a counter-current extractor, as the axial mixing increases, the extraction efficiency Decreases Increases Remains unchanged Depends on the pressure of the system Decreases Increases Remains unchanged Depends on the pressure of the system ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Flights in a rotary dryer are provided to Reduce the residence time of solid None of these Increase the residence time of the solid Lift and shower the solids thus exposing it thoroughly to the drying action of the gas Reduce the residence time of solid None of these Increase the residence time of the solid Lift and shower the solids thus exposing it thoroughly to the drying action of the gas ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Molecular distillation is For heat-sensitive materials Very low pressure distillation High temperature distillation Both B and C For heat-sensitive materials Very low pressure distillation High temperature distillation Both B and C ANSWER DOWNLOAD EXAMIANS APP
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