Mass Transfer Pore size of the molecular seive 5A is __________ mm. 50 0.05 0.5 5 50 0.05 0.5 5 ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer For the flow of gases through a capillary, with increase in temperature, the permeability __________ as per Knudsen law. Remains same Either A or B; depends on the gas Decreases Increases Remains same Either A or B; depends on the gas Decreases Increases ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer At minimum reflux ratio for a given separation Number of plates is infinity Number of plates is zero Minimum number of the theoretical plates is required Separation is most efficient Number of plates is infinity Number of plates is zero Minimum number of the theoretical plates is required Separation is most efficient ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer To get high tray efficiency Interfacial surface between liquid and gas phase should be large Liquid entrainment should be severe Gas velocity should be very low Time of contact between the two phases should be less Interfacial surface between liquid and gas phase should be large Liquid entrainment should be severe Gas velocity should be very low Time of contact between the two phases should be less ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer For the same feed, feed quality and separation (in a distillation column), with the increase of total pressure, the number of ideal plates will Data insufficient, can't be predicted Increase Remain same Decrease Data insufficient, can't be predicted Increase Remain same Decrease ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer In the constant rate period of the rate of drying curve for batch drying, Cracks develop on the surface of the solid None of these Rate of drying decreases abruptly Surface evaporation of unbound moisture occurs Cracks develop on the surface of the solid None of these Rate of drying decreases abruptly Surface evaporation of unbound moisture occurs ANSWER DOWNLOAD EXAMIANS APP