Mass Transfer In case of gases, the binary diffusivity is proportional to (where, P = pressure) √P P 1/P 1/√P √P P 1/P 1/√P ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer In batch distillation with constant reflux, overhead product composition __________ with time. Increases May increase on decrease, depends on the system Does not vary Decreases Increases May increase on decrease, depends on the system Does not vary Decreases ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer To get high tray efficiency Gas velocity should be very low Liquid entrainment should be severe Time of contact between the two phases should be less Interfacial surface between liquid and gas phase should be large Gas velocity should be very low Liquid entrainment should be severe Time of contact between the two phases should be less Interfacial surface between liquid and gas phase should be large ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Acetone is to be removed from air in an isothermal dilute absorber using pure water as solvent. The incoming air contains 5 mole% of acetone (yin = 0.05). The design equation to be used for obtaining the number of trays (N) of the absorber is, N+2 = 6 log (yin/yout).For 98% recovery of acetone, the number of trays required is/are 10 1 9 8 10 1 9 8 ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer The value of L/mG ratio for economical absorption operation ranges from 0.8 to 1.2 2.5 to 3.5 0.5 to 0.8 1.25 to 2.0 0.8 to 1.2 2.5 to 3.5 0.5 to 0.8 1.25 to 2.0 ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Diameter to height ratio for a rashig ring is 0.5 5 1 2 0.5 5 1 2 ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS