Mass Transfer The Kundsen diffusivity is proportional to (where, T = absolute temperature) T T² √T T⁴ T T² √T T⁴ ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Percentage saturation is __________ the relative saturation. Always smaller than Always greater than Not related to None of these Always smaller than Always greater than Not related to None of these ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Unsaturated air (with dry bulb temperature and dew point being 35°C and 18°C respectively) is passed through a water spray chamber maintained at 15°C. The air will be cooled And humidified And dehumidified with decrease in wet bulb temperature And dehumidified with increase in wet bulb temperature At the same relative humidity And humidified And dehumidified with decrease in wet bulb temperature And dehumidified with increase in wet bulb temperature At the same relative humidity ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Can the efficiency of a plate in the distillation tower be greater than 100%? Normally not; but is possible if infinite number of plates are put Yes ; if the reflux ratio is maximum Never Yes Normally not; but is possible if infinite number of plates are put Yes ; if the reflux ratio is maximum Never Yes ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer When the __________ the relative humidity of air decreases, despite an increase in the absolute humidity. Temperature rises Temperature falls Pressure rises Pressure falls Temperature rises Temperature falls Pressure rises Pressure falls 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 None of these a₁ = 2a₂ a₁ = a₂ a₁ = 0.5 a₂ None of these a₁ = 2a₂ a₁ = a₂ ANSWER DOWNLOAD EXAMIANS APP
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