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 Very tall packed towers are divided into series of beds to Reduce the overall pressure drop Reduce liquid hold-up Avoid flooding Avoid channelling Reduce the overall pressure drop Reduce liquid hold-up Avoid flooding Avoid channelling ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Which of the following plays an important role in problems of simultaneous heat and mass transfer? Prandtl number Schmidt number Sherwood number Lewis number Prandtl number Schmidt number Sherwood number Lewis number ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer The boiling points of pure components of a binary system __________ with increase in total pressure of the system. Remains unchanged May increase or decrease, depends on the system Decreases Increases Remains unchanged May increase or decrease, depends on the system Decreases Increases ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Steam distillation is used to Reduce the number of plates Increase the efficiency of separation Increase the total pressure of distillation Avoid thermal decomposition of a component Reduce the number of plates Increase the efficiency of separation Increase the total pressure of distillation Avoid thermal decomposition of a component ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer The cooling effect in a cooling tower can be speeded up by Reducing the humidity of the air All of the listed here Reducing the barometric pressure Increasing the air velocity and area of exposed wet surface Reducing the humidity of the air All of the listed here Reducing the barometric pressure Increasing the air velocity and area of exposed wet surface ANSWER DOWNLOAD EXAMIANS APP
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