Mass Transfer In distillation columns, the number of bubble caps per tray primarily depends upon the Allowable gas velocity Feed composition Allowable liquid velocity Allowable gas and liquid velocities Allowable gas velocity Feed composition Allowable liquid velocity Allowable gas and liquid velocities ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Occurrence of 'case hardening' during drying of a high moisture solid cake __________ the drying rate. Increases Exponentially increases Decreases Does not affect Increases Exponentially increases Decreases Does not affect ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer For a distillation column operating at minimum reflux, the Concentration of liquid and vapour leaving a plate will be same None of these Reflux ratio will be maximum Number of plates required will be maximum Concentration of liquid and vapour leaving a plate will be same None of these Reflux ratio will be maximum Number of plates required will be maximum ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer The binary diffusivity in gases at atmospheric conditions is about 10-1 cm²/sec 10-9 cm/sec 10-4 cm²/seC₂ 10-3 sec/cm 10-1 cm²/sec 10-9 cm/sec 10-4 cm²/seC₂ 10-3 sec/cm ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Equilibrium-moisture curves of different solids Are same None of these Depend on the humidity of the gas Are different Are same None of these Depend on the humidity of the gas Are different ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Back-trapping in a distillation column 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 Reduces pressure drop Decreases tray efficiency ANSWER DOWNLOAD EXAMIANS APP
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