Mass Transfer In continuous distillation, the internal reflux ratio (Ri) and the external reflux ratio (Re) are related as Ri = Re Ri = Re/(1 + Re) Ri = (1 - Re)/Re Ri = Re/(1 - Re) Ri = Re Ri = Re/(1 + Re) Ri = (1 - Re)/Re Ri = Re/(1 - Re) ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Occurrence of 'case hardening' during drying of a high moisture solid cake __________ the drying rate. Exponentially increases Decreases Does not affect Increases Exponentially increases Decreases Does not affect Increases 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 1 0.56 2 1.56 1 0.56 2 1.56 ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer In paper industry, paper is dried in a __________ dryer. Heated cylinder Tunnel Conveyor Festoon Heated cylinder Tunnel Conveyor Festoon ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer For a single component absorber, the operating line is straight only when plotted in term of __________ units. Partial pressure Mole ratio None of these Mole fraction Partial pressure Mole ratio None of these Mole fraction ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer The most economical range of absorption factor is 5 to 10 1.25 to 2 2 to 2.5 2.5 to 3 5 to 10 1.25 to 2 2 to 2.5 2.5 to 3 ANSWER DOWNLOAD EXAMIANS APP
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