Mass Transfer Cox chart, which is useful in the design of distillation column particularly for petroleum hydrocarbons, is a plot of (where, P = vapor pressure, T = temperature) P vs . log T Log P vs . T T vs . P Log P vs. log T P vs . log T Log P vs . T T vs . P Log P vs. log T ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Can a cooling tower cool water below the wet bulb temperature of inlet air? Yes ; but height of cooling tower will be prohibitively high Yes Yes ; but the air flow rate should be excessively high No Yes ; but height of cooling tower will be prohibitively high Yes Yes ; but the air flow rate should be excessively high No ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer The drying time between fixed moisture content within diffusion controlled 'falling rate period' is proportional to (assuming that drying occurs from all surfaces of the solid) (where, T = thickness of the solid ) √T T² T³ T √T T² T³ T ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Agitator is provided in a crystalliser for Avoiding deposition on cooler surfaces Crystal growth All of these Formation of nuclei Avoiding deposition on cooler surfaces Crystal growth All of these Formation of nuclei ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer In a moderately sized packed absorption tower, channeling (which is most severe with stacked packings) can be minimised by taking the ratio of tower diameter to packing diameter < 8 : 1 > 8:1 < 6:1 > 4 :1 < 8 : 1 > 8:1 < 6:1 > 4 :1 ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Can the efficiency of a plate in the distillation tower be greater than 100%? Yes Normally not; but is possible if infinite number of plates are put Never Yes ; if the reflux ratio is maximum Yes Normally not; but is possible if infinite number of plates are put Never Yes ; if the reflux ratio is maximum ANSWER DOWNLOAD EXAMIANS APP