Mass Transfer To get high tray efficiency Interfacial surface between liquid and gas phase should be large Liquid entrainment should be severe Gas velocity should be very low Time of contact between the two phases should be less Interfacial surface between liquid and gas phase should be large Liquid entrainment should be severe Gas velocity should be very low Time of contact between the two phases should be less ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Which of the following is considered equivalent to one theoretical stage in Mc-Cabe Thiele's method? Both B and C Partial condenser Reboiler Total condenser Both B and C Partial condenser Reboiler Total condenser ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer The efficiency of a plate column will be maximum, when the flow is ideal __________ the plate. Across Neither A nor B Both A & B Above Across Neither A nor B Both A & B Above ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer In case of an unsaturated mixture of gas and vapor, the percentage saturation is __________ its relative saturation. Either A or B, depends on the mixture composition Lower than Equal to Higher than Either A or B, depends on the mixture composition Lower than Equal to Higher than ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer With increase in the mass velocity of the gas, the rate of drying during the constant rate period __________ , if the conduction and radiation through the solid are negligible. Remains same Increases Decreases Increases linearly Remains same Increases Decreases Increases linearly ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Which of the following plays an important role in problems of simultaneous heat and mass transfer? Prandtl number Lewis number Sherwood number Schmidt number Prandtl number Lewis number Sherwood number Schmidt number ANSWER DOWNLOAD EXAMIANS APP
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