Mass Transfer Mass transfer co-efficient (K) and diffusivity (D) are related according to film theory as K ∝ √D K ∝ D1.5 K ∝ D2 K ∝ D K ∝ √D K ∝ D1.5 K ∝ D2 K ∝ D ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer On moving the feed line (q-line) from saturated liquid feed (vertical position) to saturated vapor feed (horizontal feed), if the slope of both the operating lines are to be increased, then it will result in Increased reflux ratio None of these Greater degree of separation with a fixed number of trays Increased reboiler load Increased reflux ratio None of these Greater degree of separation with a fixed number of trays Increased reboiler load ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Chemisorption (chemical adsorption) is An irreversible phenomenon Same as "Van der Waals" adsorption Characterised by adsorption of heat A reversible phenomenon An irreversible phenomenon Same as "Van der Waals" adsorption Characterised by adsorption of heat A reversible phenomenon ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Which of the following is used for the concentration of rubber latex? Calendria Long tube vertical evaporator Agitated film evaporator Short tube evaporator Calendria Long tube vertical evaporator Agitated film evaporator Short tube evaporator ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Which of the following is not a batch drier? Fluidised bed drier Truck drier Agitated pan drier Vacuum shelf drier Fluidised bed drier Truck drier Agitated pan drier Vacuum shelf drier 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? Temperature of the solid Flow rate of inlet air Humidity of inlet air Relative humidity of outlet air Temperature of the solid Flow rate of inlet air Humidity of inlet air Relative humidity of outlet air ANSWER DOWNLOAD EXAMIANS APP
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