Mass Transfer Unit of molal diffusivity is Gm moles/cm². sec Gm moles/cm. sec Gm moles/cm² . sec Cm²/sec gm . mole Gm moles/cm². sec Gm moles/cm. sec Gm moles/cm² . sec Cm²/sec gm . mole ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer NSc/NPr is called the Stantan number Sherwood number Lewis number Psychrometric ratio Stantan number Sherwood number Lewis number Psychrometric ratio ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Weeping in a distillation column Results due to very low gas velocity Provides large interfacial surface for mass transfer Increases tray efficiency Results due to very high gas velocity Results due to very low gas velocity Provides large interfacial surface for mass transfer Increases tray efficiency Results due to very high gas velocity ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer The temperature to which a vapour gas mixture must be cooled (at varying humidity) to become saturated is called the __________ temperature. None of these Dry bulb Dew point Wet bulb None of these Dry bulb Dew point Wet bulb ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer According to the Fenske equation, what will be the minimum number of plates required in a distillation column to separate an equimolar binary mixture of components A and B into an overhead fraction containing 99 mol% A and a bottom fraction containing 98 mol% B? Assume that relative volatility (αAB = 2) does not change appreciably in the coloumn. 10 6 8 12 10 6 8 12 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 Bubble cap Packed Perforated tray Wetted wall Bubble cap Packed ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS