Mass Transfer The ratio of Murphree plate efficiency to point efficiency is always > 1 in a __________ flow model. Both plug & perfectly mixed Plug Perfectly mixed None of the listed here Both plug & perfectly mixed Plug Perfectly mixed None of the listed here ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Pick out the system with minimum boiling azeotrope at 1 atm. Benzene-toluene Hydrochloric acid-water All of these Ethyl alcohol-water Benzene-toluene Hydrochloric acid-water All of these Ethyl alcohol-water ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer In the absorption of ammonia in water, the main resistance to absorption is by the __________ phase. Neither A nor B Liquid Both A & B Gas Neither A nor B Liquid Both A & B Gas ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Back-trapping in a distillation column Reduces pressure drop Decreases tray efficiency Is desirable, as it provides improved vapour-liquid contact Increases tray efficiency Reduces pressure drop Decreases tray efficiency Is desirable, as it provides improved vapour-liquid contact Increases tray efficiency ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer __________ columns are used for liquid dispersion in a continuous gas phase. Bubble cap Pulse Sieve plate Packed Bubble cap Pulse Sieve plate Packed ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer The surface renewal frequency in Danckwerts model of mass transfer is given by (KL: mass transfer co-efficient) KL/DA² KL².DA √(KL².DA) KL²/DA KL/DA² KL².DA √(KL².DA) KL²/DA ANSWER DOWNLOAD EXAMIANS APP