Mass Transfer Drying operation under vacuum is carried out to Dry those materials which have very high unbound mositure content Reduce drying temperature Increase drying temperature Dry materials having high bound moisture content Dry those materials which have very high unbound mositure content Reduce drying temperature Increase drying temperature Dry materials having high bound moisture content ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer The term "approach" in a cooling tower refers to the difference in the temperature of the Cold water leaving the tower and the wet bulb temperature of the surrounding air Hot water entering and the cooled water leaving the cooling tower None of these Hot water entering the tower and the wet bulb temperature of the surrounding air Cold water leaving the tower and the wet bulb temperature of the surrounding air Hot water entering and the cooled water leaving the cooling tower None of these Hot water entering the tower and the wet bulb temperature of the surrounding air ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer According to the Fenske equation, what will be the minimum number of plates required in a distillation column to separate an equimolar binary mixture of components A and B into an overhead fraction containing 99 mol% A and a bottom fraction containing 98 mol% B? Assume that relative volatility (αAB = 2) does not change appreciably in the coloumn. 10 8 12 6 10 8 12 6 ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer The wet and 'dry bulb temperature for a vapour-gas mixture are 25°C and 30°C respectively. If the mixture is heated to 45°C at constant pressure, the wet bulb temperature will be __________ °C. 25 -25 < 25 > 25 25 -25 < 25 > 25 ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Diameter to height ratio for a rashig ring is 1 2 0.5 5 1 2 0.5 5 ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer At constant pressure, with increase of temperature, the dew point will Remain unchanged Increase Decrease Increase/decrease ; depends on the temperature Remain unchanged Increase Decrease Increase/decrease ; depends on the temperature ANSWER DOWNLOAD EXAMIANS APP
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