Mass Transfer The suitable evaporator for concentration of foaming liquids is a __________ evaporator. Vacuum Short tube Falling film Long tube Vacuum Short tube Falling film Long tube ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Back-trapping in a distillation column Is desirable, as it provides improved vapour-liquid contact Increases tray efficiency Decreases tray efficiency Reduces pressure drop Is desirable, as it provides improved vapour-liquid contact Increases tray efficiency Decreases tray efficiency Reduces pressure drop ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Out of the following gas-liquid contacting devices, for a given set of operating conditions, gas pressure drop is the least in __________ tower. Perforated tray Wetted wall Packed Bubble cap Perforated tray Wetted wall Packed Bubble cap ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Plate efficiency in a distillation column is reduced due to the __________ of liquid. Foaming All of these Weeping & dumping Entrainment Foaming All of these Weeping & dumping Entrainment ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer At the same gas flow rate, the pressure drop in a packed tower being irrigated with liquid __________ that in dry packed tower. Cannot be predicted as data are insufficient Is lower than Is same as Is greater than Cannot be predicted as data are insufficient Is lower than Is same as Is greater than ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Flash distillation is suitable for separating the constituents of a binary system, which Form constant boiling azeotrope Form minimum boiling azeotrope Have very wide boiling points Have very close boiling points Form constant boiling azeotrope Form minimum boiling azeotrope Have very wide boiling points Have very close boiling points ANSWER DOWNLOAD EXAMIANS APP
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