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. None of these a₁ = a₂ a₁ = 0.5 a₂ a₁ = 2a₂ None of these a₁ = a₂ a₁ = 0.5 a₂ a₁ = 2a₂ ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Liquid diffusivity is of the order of __________ cm² /second. 0.01 10-5 to 10-6 0.1 > 1 0.01 10-5 to 10-6 0.1 > 1 ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Flights in a rotary dryer are provided to None of these Lift and shower the solids thus exposing it thoroughly to the drying action of the gas Increase the residence time of the solid Reduce the residence time of solid None of these Lift and shower the solids thus exposing it thoroughly to the drying action of the gas Increase the residence time of the solid Reduce the residence time of solid ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Raoult's law is applicable to the Ideal solutions Mixture of water and alcohol Real solutions Non-ideal gases Ideal solutions Mixture of water and alcohol Real solutions Non-ideal gases ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer The binary diffusivity in gases does not depend upon the None of the listed here Temperature Pressure Nature of the components None of the listed here Temperature Pressure Nature of the components ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer For the air water system under ambient conditions, the adiabatic saturation temperature and the wet bulb temperature are nearly equal, because They are always equal under all circumstances Solubility of the components of air in water is very small Water has a high latent heat of evaporation Lewis number is close to unity They are always equal under all circumstances Solubility of the components of air in water is very small Water has a high latent heat of evaporation Lewis number is close to unity ANSWER DOWNLOAD EXAMIANS APP
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