Mass Transfer The unit of volumetric diffusivity is Cm/sec Cm²/seC₂ Cm³/sec Cm²/sec Cm/sec Cm²/seC₂ Cm³/sec Cm²/sec ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Drift in a cooling tower is Dependent on the water lost by evaporation All of these Desirable The water entrained by the circulating air Dependent on the water lost by evaporation All of these Desirable The water entrained by the circulating air ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer As the reflux ratio decreases, the None of these Separation becomes more efficient Number of plates increases Column diameter increases None of these Separation becomes more efficient Number of plates increases Column diameter increases ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer If Rm is the minimum reflux ratio, the optimum reflux ratio may be around __________ Rm. 3 to 4 1.2 to 1.5 2.5 to 3 5 3 to 4 1.2 to 1.5 2.5 to 3 5 ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Positive deviation from Raoult's law means a mixture whose total pressure is None of these Less than the sum of the vapour pressure of the components Less than that computed for ideality Greater than that computed for ideality None of these Less than the sum of the vapour pressure of the components Less than that computed for ideality Greater than that computed for ideality ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer __________ is used as an 'entrainer' for the separation of acetic acid-water mixture by distillation. Butyl acetate Benzol Hexane Furfural Butyl acetate Benzol Hexane Furfural ANSWER DOWNLOAD EXAMIANS APP