Mass Transfer Gaseous diffusivity at atmospheric pressure is of the order of __________ cm²/second. 5 to 10 1 to 5 1 > 10 5 to 10 1 to 5 1 > 10 ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Critical humidity of a solid salt means the humidity Above which it will always become damp Below which it will always stay dry Both A and B Above Which it will always become dry and below which it will always stay damp Above which it will always become damp Below which it will always stay dry Both A and B Above Which it will always become dry and below which it will always stay damp ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Diameter to height ratio for a rashig ring is 1 2 5 0.5 1 2 5 0.5 ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Weeping in a distillation column Provides large interfacial surface for mass transfer Increases tray efficiency Results due to very low gas velocity Results due to very high gas velocity Provides large interfacial surface for mass transfer Increases tray efficiency Results due to very low gas velocity Results due to very high gas velocity 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 2 1 1.56 0.56 2 1 1.56 ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer __________ column is preferred to be used, when a high liquid hold up is required in a reactor for gas-liquid reaction. Packed Spray Bubble Tray Packed Spray Bubble Tray ANSWER DOWNLOAD EXAMIANS APP