Mass Transfer During the constant rate period of drying of a solid, Surface evaporation of unbound moisture occurs Increasing the air temperature decreases the drying rate None of these Increased air humidity decreases the rate of drying Surface evaporation of unbound moisture occurs Increasing the air temperature decreases the drying rate None of these Increased air humidity decreases the rate of drying ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer At constant pressure, with increase of temperature, the dew point will Increase/decrease ; depends on the temperature Remain unchanged Increase Decrease Increase/decrease ; depends on the temperature Remain unchanged Increase Decrease ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Bollman extractor Is a static bed leaching equipment Is a centrifugal extractor Employs only counter-current extraction Is used for extraction of oil from oilseed Is a static bed leaching equipment Is a centrifugal extractor Employs only counter-current extraction Is used for extraction of oil from oilseed ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer The individual mass transfer co-efficients (moles/m² . s) for absorption of a solute from a gas mixture into a liquid solvent are, KL = 4.5 and KG = 1.5. The slope of the equilibrium line is 3. Which of the following resistance (s) is (are) controlling ? Gas side Both liquid and gas side Interfacial Liquid side Gas side Both liquid and gas side Interfacial Liquid side ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer One mole feed of a binary mixture of a given composition is flash vaporised at a fixed P and T. If Raoult's law is obeyed, then changing the feed composition would effect The product composition but not the fraction vaporised The product composition as well as the fraction vaporised The fraction vaporised but not the product composition Neither the product composition nor the fraction vaporised The product composition but not the fraction vaporised The product composition as well as the fraction vaporised The fraction vaporised but not the product composition Neither the product composition nor the fraction vaporised ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Schmidt number is given by Re/Pe Sh x Pe Re.Pe Μ/ρDAB Re/Pe Sh x Pe Re.Pe Μ/ρDAB ANSWER DOWNLOAD EXAMIANS APP
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