Mass Transfer If Rm is the minimum reflux ratio, the optimum reflux ratio may be around __________ Rm. 2.5 to 3 1.2 to 1.5 3 to 4 5 2.5 to 3 1.2 to 1.5 3 to 4 5 ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Calculation of mass transfer co-efficient is mostly/normally done using __________ theory. Film Surface renewal Penetration None of the listed here Film Surface renewal Penetration None of the listed here ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Air initially at 101. 3 kPa and 40°C and with a relative humidity of 50%, is cooled at constant pressure to 30°C. The cooled air has a Higher wet bulb temperature Higher dew point Higher relative humidity Higher absolute (specific) humidity Higher wet bulb temperature Higher dew point Higher relative humidity Higher absolute (specific) humidity ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer In a packed bed absorption column, the channelling will be noted by the Increase in flow rate Sharp rise in pressure drop Sharp drop in pressure drop None of these Increase in flow rate Sharp rise in pressure drop Sharp drop in pressure drop None of these ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Penetration theory relates the average mass transfer co-efficient (K) with diffusivity (D) as K ∝ D1.5 K ∝ D K ∝ √D K ∝ D2 K ∝ D1.5 K ∝ D K ∝ √D K ∝ D2 ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer When the temperature and humidity of air is low, we usually use __________ draft cooling tower. Induced Forced None of these Natural Induced Forced None of these Natural ANSWER DOWNLOAD EXAMIANS APP