Mass Transfer Inside the distillation column, the None of these Liquids are not always at their bubble points Pressure increases gradually from bottom to the top of the column Driving force for the vapour flow is the pressure drop None of these Liquids are not always at their bubble points Pressure increases gradually from bottom to the top of the column Driving force for the vapour flow is the pressure drop ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer During constant rate drying period, vaporisation rate per unit drying surface area Does not change with time Increases with time Does not affect the moisture content of the wet solid Decreases with time Does not change with time Increases with time Does not affect the moisture content of the wet solid Decreases with time ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Water-ethyl alcohal solution can be concentrated (in respect of alcohal concentration) by __________ distillation. None of these High pressure Atmospheric Vacuum None of these High pressure Atmospheric Vacuum ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Very tall packed towers are divided into series of beds to Avoid channelling Reduce the overall pressure drop Reduce liquid hold-up Avoid flooding Avoid channelling Reduce the overall pressure drop Reduce liquid hold-up Avoid flooding ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Heat sensitive materials with very high latent heat of vaporisation may be economically separated using Evaporation Liquid extraction Absorption Distillation Evaporation Liquid extraction Absorption Distillation ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Unsaturated air (with dry bulb and wet bulb temperatures being 45°C and 25°C respectively) is passed through a water spray chamber maintained at 23°C. The air will be cooled and Humidified at constant wet bulb temperature Dehumidified None of these Humidified with wet bulb temperature decreasing Humidified at constant wet bulb temperature Dehumidified None of these Humidified with wet bulb temperature decreasing ANSWER DOWNLOAD EXAMIANS APP
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