Mass Transfer In distillation columns, the number of bubble caps per tray primarily depends upon the Allowable gas and liquid velocities Allowable gas velocity Feed composition Allowable liquid velocity Allowable gas and liquid velocities Allowable gas velocity Feed composition Allowable liquid velocity ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer The cooling effect in a cooling tower can be speeded up by Reducing the barometric pressure All of the listed here Reducing the humidity of the air Increasing the air velocity and area of exposed wet surface Reducing the barometric pressure All of the listed here Reducing the humidity of the air Increasing the air velocity and area of exposed wet surface ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Drying operation under vacuum is carried out to Dry those materials which have very high unbound mositure content Dry materials having high bound moisture content Increase drying temperature Reduce drying temperature Dry those materials which have very high unbound mositure content Dry materials having high bound moisture content Increase drying temperature Reduce drying temperature ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer H₂S is being absorbed in a gas absorber unit. The height of the transfer unit based on the overall mass transfer coefficient on the gas side is 0.4 m. The equilibrium data is given by, y = 1.5 x. The bulk concentration of H₂S has to be reduced from 0.05 to 0.001 mole fraction in the gas side. The height of the tower (in metres) corresponding to an operating line given by, y = 5x + 0.001 is 0.56 1 2 1.56 0.56 1 2 1.56 ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer The rate of mass transfer is not dependent upon the Both A & B Interfacial surface exposed between the phases Degree of dispersion of one fluid in the other None of these Both A & B Interfacial surface exposed between the phases Degree of dispersion of one fluid in the other None of these ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Moisture content of a substance when at equilibrium with a given partial pressure of the vapour is called the __________ moisture. Bound Equilibrium Free Unbound Bound Equilibrium Free Unbound ANSWER DOWNLOAD EXAMIANS APP
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