Mass Transfer The binary diffusivity in gases and liquids vary respectively as T3/2 and T T3/2 and √T T and T3/2 √T and T3/2 T3/2 and T T3/2 and √T T and T3/2 √T and T3/2 ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer The boiling points of pure components of a binary system __________ with increase in total pressure of the system. Remains unchanged May increase or decrease, depends on the system Increases Decreases Remains unchanged May increase or decrease, depends on the system Increases Decreases ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer The surface renewal frequency in Danckwerts model of mass transfer is given by (KL: mass transfer co-efficient) KL²/DA √(KL².DA) KL².DA KL/DA² KL²/DA √(KL².DA) KL².DA KL/DA² ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer In batch distillation with constant reflux, overhead product composition __________ with time. Does not vary May increase on decrease, depends on the system Increases Decreases Does not vary May increase on decrease, depends on the system Increases Decreases ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer When the __________ the relative humidity of air decreases, despite an increase in the absolute humidity. Pressure rises Pressure falls Temperature falls Temperature rises Pressure rises Pressure falls Temperature falls Temperature rises 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. Dew point Wet bulb None of these Dry bulb Dew point Wet bulb None of these Dry bulb ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS