Mass Transfer With increase in absolute humidity, the dew point of an unsaturated mixture of air and water vapor (at constant pressure and temperature) Decreases linearly Remains unchanged Decreases Increases Decreases linearly Remains unchanged Decreases Increases ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer The binary diffusivity in gases at atmospheric conditions is about 10-3 sec/cm 10-9 cm/sec 10-1 cm²/sec 10-4 cm²/seC₂ 10-3 sec/cm 10-9 cm/sec 10-1 cm²/sec 10-4 cm²/seC₂ ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Mass transfer co-efficient of liquid is Affected much less by temperature than that for gases Affected more by temperature than that for gases Not affected by the temperature None of these Affected much less by temperature than that for gases Affected more by temperature than that for gases Not affected by the temperature None of these ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Flash distillation is suitable for separating the constituents of a binary system, which Have very close boiling points Have very wide boiling points Form minimum boiling azeotrope Form constant boiling azeotrope Have very close boiling points Have very wide boiling points Form minimum boiling azeotrope Form constant boiling azeotrope 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 None of these Wet bulb Dry bulb Dew point None of these Wet bulb Dry bulb ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer If a₁ and a₂ are the relative volatilities when the pressure in the distillation column is 1 and 2 atm respectively. Pick out the correct statement. a₁ = 0.5 a₂ a₁ = 2a₂ None of these a₁ = a₂ a₁ = 0.5 a₂ a₁ = 2a₂ None of these a₁ = a₂ ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS