Mass Transfer A solid material shows case hardening properties while drying. Which of the following should be controlled to control the drying process? Temperature of the solid Humidity of inlet air Flow rate of inlet air Relative humidity of outlet air Temperature of the solid Humidity of inlet air Flow rate of inlet air Relative humidity of outlet air 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. None of these a₁ = 0.5 a₂ a₁ = 2a₂ a₁ = a₂ None of these a₁ = 0.5 a₂ a₁ = 2a₂ a₁ = a₂ ANSWER DOWNLOAD EXAMIANS APP
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? None of these Cooling and dehumidification Heating and dehumidification at almost constant wet bulb temperature Dehumidification with dry bulb temperature remaining constant None of these Cooling and dehumidification Heating and dehumidification at almost constant wet bulb temperature Dehumidification with dry bulb temperature remaining constant ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Dimension of mass diffusivity is the same as that of Pressure Kinematic viscosity Dynamic viscosity Surface tension Pressure Kinematic viscosity Dynamic viscosity Surface tension ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer The most economical range of absorption factor is 2.5 to 3 2 to 2.5 5 to 10 1.25 to 2 2.5 to 3 2 to 2.5 5 to 10 1.25 to 2 ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer With increase in absolute humidity, the dew point of an unsaturated mixture of air and water vapor (at constant pressure and temperature) Remains unchanged Decreases Decreases linearly Increases Remains unchanged Decreases Decreases linearly Increases ANSWER DOWNLOAD EXAMIANS APP
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