Mass Transfer If Rm is the minimum reflux ratio, the optimum reflux ratio may be around __________ Rm. 2.5 to 3 5 1.2 to 1.5 3 to 4 2.5 to 3 5 1.2 to 1.5 3 to 4 ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer For gas absorption, low viscosity solvents are preferred, because of their Rapid absorption rates All of these Better flow characteristics Low pumping pressure drop Rapid absorption rates All of these Better flow characteristics Low pumping pressure drop ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Steady state equimolal counter diffusion is encountered in Absorption of NH₃ from air by water All liquid-liquid diffusion systems Separation of a binary mixture by distillation All of these Absorption of NH₃ from air by water All liquid-liquid diffusion systems Separation of a binary mixture by distillation All of these ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer If the amount of the steam used in steam distillation is increased, the temperature of distillation Decreases Increases Remains unchanged Depends on relative volatility Decreases Increases Remains unchanged Depends on relative volatility ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer NSc/NPr is called the Sherwood number Psychrometric ratio Stantan number Lewis number Sherwood number Psychrometric ratio Stantan number Lewis number ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer With decrease in the throughput (compared with the design capacity) for a bubble cap distillation column, its efficiency May increase or decrease ; depends on individual design Decreases Increases Remains same May increase or decrease ; depends on individual design Decreases Increases Remains same ANSWER DOWNLOAD EXAMIANS APP