Mass Transfer

The wet and ‘dry bulb temperature for a vapour-gas mixture are 25°C and 30°C respectively. If the mixture is heated to 45°C at constant pressure, the wet bulb temperature will be ______________ °C?

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The wet and ‘dry bulb temperature for a vapour-gas mixture are 25°C and 30°C respectively. If the mixture is heated to 45°C at constant pressure, the wet bulb temperature will be ______________ °C?

A. 25
B. > 25
C. < 25
D. – 25

Pick out the wrong statement. Raoult’s law does not apply, when the______________________?

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Pick out the wrong statement. Raoult’s law does not apply, when the______________________?

A. Size of component molecules are not equal
B. Attractive forces between like and unlike molecules in the solution are approximately equal
C. Component molecules are non-polar
D. Chemical combination or molecular association between unlike molecules takes place in the
formation of solution

Pick out the wrong statement pertaining to the analogy between equations of heat and mass_________________?

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Pick out the wrong statement pertaining to the analogy between equations of heat and mass_________________?

transfer operations.
A. Sherwood number in mass transfer is analogous to Nusselt number in heat transfer
B. Prandtl number in heat transfer is analogous to Schmidt number in mass transfer
C. Reynolds number in mass transfer is analogous to Grashoff number in heat transfer
D. Reynolds number remains the same in both heat and mass transfer