Mass Transfer A mixture of 10% C₆H₆ vapour in air at 25°C and 750 mm Hg has a dew point of 20°C. Its dew point at 30°C and 700 mm Hg will be around __________ °C. 18.7 20 27.3 21.7 18.7 20 27.3 21.7 ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer The suitable evaporator for concentration of foaming liquids is a __________ evaporator. Vacuum Long tube Short tube Falling film Vacuum Long tube Short tube Falling film ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Very tall packed towers are divided into series of beds to Avoid channelling Reduce liquid hold-up Reduce the overall pressure drop Avoid flooding Avoid channelling Reduce liquid hold-up Reduce the overall pressure drop Avoid flooding ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Smoke is an example of Solid dispersed in liquid Solid dispersed in gas Liquid dispersed in gas Gas dispersed in liquid Solid dispersed in liquid Solid dispersed in gas Liquid dispersed in gas Gas dispersed in liquid ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer The boiling points of pure components of a binary system __________ with increase in total pressure of the system. Decreases Increases May increase or decrease, depends on the system Remains unchanged Decreases Increases May increase or decrease, depends on the system Remains unchanged ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer In a binary distillation column, if the feed contains 40 mole % vapour, the q line will have a slope of -0.6 -1.5 0.6 1.5 -0.6 -1.5 0.6 1.5 ANSWER DOWNLOAD EXAMIANS APP