Mass Transfer Priming in a distillation column Is desirable from point efficiency consideration Is characterised by the presence of foam throughout the space between trays Reduces the overall pressure drop Results from very low gas velocity Is desirable from point efficiency consideration Is characterised by the presence of foam throughout the space between trays Reduces the overall pressure drop Results from very low gas velocity ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Very tall packed towers are divided into series of beds to Reduce liquid hold-up Avoid channelling Reduce the overall pressure drop Avoid flooding Reduce liquid hold-up Avoid channelling Reduce the overall pressure drop Avoid flooding ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Pressure drop through plate tower as compared to that through packed tower, for the same duty will be Either A or B; depends on the packing height Less More Equal Either A or B; depends on the packing height Less More Equal ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer In steam distillation, the Product must be immiscible with water Temperature is 100°C Temperature is higher than the boiling point of either component Temperature is more than 100° C Product must be immiscible with water Temperature is 100°C Temperature is higher than the boiling point of either component Temperature is more than 100° C ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Azeotropism for ethyl alcohol-water system disappears by No means Increasing pressure Increasing temperature Decreasing pressure No means Increasing pressure Increasing temperature Decreasing pressure ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Dew point of an air-water vapor mixture Corresponding to any point on the humidity chart is obtained by projecting a line through this point parallel to the temperature axis and to the saturation curve Decreases with decrease in pressure All of the listed here At constant humidity & total pressure is fixed Corresponding to any point on the humidity chart is obtained by projecting a line through this point parallel to the temperature axis and to the saturation curve Decreases with decrease in pressure All of the listed here At constant humidity & total pressure is fixed ANSWER DOWNLOAD EXAMIANS APP
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