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 Dehumidified Humidified with wet bulb temperature decreasing Humidified at constant wet bulb temperature None of these Dehumidified Humidified with wet bulb temperature decreasing Humidified at constant wet bulb temperature None of these ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer In which of the following unit operations, the selectivity is an important parameter? Absorption None of these Distillation Solvent extraction Absorption None of these Distillation Solvent extraction ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer The minimum number of theoretical plates is required for achieving a given separation in distillation column with Total reflux No reflux Zero reflux ratio Minimum reflux ratio Total reflux No reflux Zero reflux ratio Minimum reflux ratio ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Mechanism of moisture removal in case of freeze drying of food stuff is by Adsorption Sublimation Dehydration Evaporation Adsorption Sublimation Dehydration Evaporation ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer The operation involved when the soluble material is largely on the surface of an insoluble solid and is merely washed off by the solvent is called Elutriation or elution Decoction Percolation None of these Elutriation or elution Decoction Percolation None of these ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Moisture in a solid exerting an equilibrium vapour pressure equal to that of the pure liquid at the same temperature is called the __________ moisture. Unbound Free Critical Bound Unbound Free Critical Bound ANSWER DOWNLOAD EXAMIANS APP