Mass Transfer
Which of the following has the same dimension as mass diffusivity?

Kinematic viscosity
Both Momentum flux & Kinematic viscosity
Momentum flux
Thermal diffusivity

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Mass Transfer
Which of the following psychrometric processes is followed by water vapour laden unsaturated air, when it is passed through solid or liquid adsorbent?

Cooling and dehumidification
None of these
Heating and dehumidification at almost constant wet bulb temperature
Dehumidification with dry bulb temperature remaining constant

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