Mass Transfer During dehumidification of unsaturated air wet bulb temperature & partial pressure of vapor are not constant. However, during evaporative cooling process with recirculated water supply, the __________ remains constant. None of these Relative humidity Wet bulb temperature Partial pressure of water vapor None of these Relative humidity Wet bulb temperature Partial pressure of water vapor ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Rotary dryers cannot handle __________ materials. Sticky Free flowing Dry Grannular Sticky Free flowing Dry Grannular ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Gaseous diffusivity at atmospheric pressure is of the order of __________ cm²/second. 1 > 10 1 to 5 5 to 10 1 > 10 1 to 5 5 to 10 ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer In a distillation operation, what is the effect of the temperature of the reflux stream (given below) on the condenser and reboiler loads? Reflux conditions:(i) Reflux stream is completely liquid and is at its bubble point.(ii) Reflux stream is below its bubble point. Condenser and reboiler loads are the same in both the cases Reboiler load is the same in both the cases but condenser load is higher in case (ii) Both condensor and reboiler loads are higher in case (ii) as compared to case (i) Condenser load is the same in both the cases but reboiler load is higher in case (ii) Condenser and reboiler loads are the same in both the cases Reboiler load is the same in both the cases but condenser load is higher in case (ii) Both condensor and reboiler loads are higher in case (ii) as compared to case (i) Condenser load is the same in both the cases but reboiler load is higher in case (ii) ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer With decrease in the throughput (compared with the design capacity) for a bubble cap distillation column, its efficiency Remains same May increase or decrease ; depends on individual design Increases Decreases Remains same May increase or decrease ; depends on individual design Increases Decreases ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Pick out the correct relationship. (where, Ri = internal reflux ratio Ro = external reflux ratio. ) (1 - Ro) = Ro/Ri (1 - Ri) = Ro/Ri (1 + Ro) = Ro/Ri (1 + Ri) = Ro/Ri (1 - Ro) = Ro/Ri (1 - Ri) = Ro/Ri (1 + Ro) = Ro/Ri (1 + Ri) = Ro/Ri ANSWER DOWNLOAD EXAMIANS APP
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