Mass Transfer Air initially at 101. 3 kPa and 40°C and with a relative humidity of 50%, is cooled at constant pressure to 30°C. The cooled air has a Higher relative humidity Higher dew point Higher wet bulb temperature Higher absolute (specific) humidity Higher relative humidity Higher dew point Higher wet bulb temperature Higher absolute (specific) humidity ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer HETP is numerically equal to HTU, only when the operating line Is far from the equilibrium line Lies above the equilibrium line And equilibrium lines are parallel Lies below the equilibrium line Is far from the equilibrium line Lies above the equilibrium line And equilibrium lines are parallel Lies below the equilibrium line ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer With decrease in the throughput (compared with the design capacity) for a bubble cap distillation column, its efficiency Increases May increase or decrease ; depends on individual design Remains same Decreases Increases May increase or decrease ; depends on individual design Remains same Decreases ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer The mass transfer co-efficient for a solid sphere of radius 'a' dissolving in a large volume of quiescent liquid, in which D is the diffusivity of solute, is D/2a Proportional to √D Dependent on the Reynolds number D/a D/2a Proportional to √D Dependent on the Reynolds number D/a ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Low viscosity absorbent is preferred for reasons of All of these Low pressure drop on pumping Rapid absorption rates and good heat transfer characteristics Improved flooding characteristics All of these Low pressure drop on pumping Rapid absorption rates and good heat transfer characteristics Improved flooding characteristics ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer A solid material shows case hardening properties while drying. Which of the following should be controlled to control the drying process? 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 Temperature of the solid ANSWER DOWNLOAD EXAMIANS APP
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