Mass Transfer Mechanism of moisture removal in case of freeze drying of food stuff is by Evaporation Sublimation Adsorption Dehydration Evaporation Sublimation Adsorption Dehydration ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Prandtl number for water at 20°C is about 70 150 7 0.7 70 150 7 0.7 ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer The suitable evaporator for concentration of foaming liquids is a __________ evaporator. Falling film Short tube Long tube Vacuum Falling film Short tube Long tube Vacuum ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Stacked packing compared to dumped packing Both A & B Gives higher pressure drop Provides poorer contact between the fluids Gives lower pressure drop Both A & B Gives higher pressure drop Provides poorer contact between the fluids Gives lower pressure drop ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Steam distillation is used for separation of high boiling Both of the options given here Volatile impurity from still higher boiling substances Substances from non-volatile impurities none of the listed here Both of the options given here Volatile impurity from still higher boiling substances Substances from non-volatile impurities none of the listed here ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Henry's law states that the Partial pressure is equal to the product of the mole fraction and total pressure Vapour pressure is equal to the product of the mole fraction and total pressure Partial pressure of a component over a solution is proportional to the mole fraction in the vapour Partial pressure of a component over a solution is proportional to its mole fraction in the liquid Partial pressure is equal to the product of the mole fraction and total pressure Vapour pressure is equal to the product of the mole fraction and total pressure Partial pressure of a component over a solution is proportional to the mole fraction in the vapour Partial pressure of a component over a solution is proportional to its mole fraction in the liquid ANSWER DOWNLOAD EXAMIANS APP
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