Mass Transfer To get high tray efficiency Interfacial surface between liquid and gas phase should be large Time of contact between the two phases should be less Liquid entrainment should be severe Gas velocity should be very low Interfacial surface between liquid and gas phase should be large Time of contact between the two phases should be less Liquid entrainment should be severe Gas velocity should be very low ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Weight of 1 m³ of humid air as compared to 1 m³ of dry air, under the same conditions, is Unpredictable Same Less More Unpredictable Same Less More ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Heat sensitive materials with very high latent heat of vaporisation may be economically separated using Absorption Distillation Liquid extraction Evaporation Absorption Distillation Liquid extraction Evaporation ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer For the flow of gases through a capillary, with increase in temperature, the permeability __________ as per Knudsen law. Either A or B; depends on the gas Remains same Increases Decreases Either A or B; depends on the gas Remains same Increases Decreases ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer When both the fluids flow concurrently in an absorber, the slope of the operating line is + ve - ve -1 1 + ve - ve -1 1 ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer The binary diffusivity in gases and liquids vary respectively as T3/2 and T T and T3/2 T3/2 and √T √T and T3/2 T3/2 and T T and T3/2 T3/2 and √T √T and T3/2 ANSWER DOWNLOAD EXAMIANS APP
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