Mass Transfer The amount of steam required per unit quantity of distillate in case of steam distillation will be reduced by Both A & B Neither A nor B Lowering the total pressure Raising the temperature Both A & B Neither A nor B Lowering the total pressure Raising the temperature ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Flights in a rotary dryer are provided to None of these Increase the residence time of the solid Lift and shower the solids thus exposing it thoroughly to the drying action of the gas Reduce the residence time of solid None of these Increase the residence time of the solid Lift and shower the solids thus exposing it thoroughly to the drying action of the gas Reduce the residence time of solid ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer In a packed absorption tower, if the equilibrium and operating lines are both straight lines, then the ratio, HETP/HTUOG __________ the absorption factor. Increases with increase in Both A and B Neither A nor B Is one at unity value of Increases with increase in Both A and B Neither A nor B Is one at unity value of ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer It takes 6 hours to dry a wet solid from 50% moisture content to the critical moisture content of 15%. How much longer it will take to dry the solid to 10% moisture content, under the same drying conditions? (The equilibrium moisture content of the solid is 5%). 51 min 71 min 15 min 94 min 51 min 71 min 15 min 94 min ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer The surface renewal frequency in Danckwerts model of mass transfer is given by (KL: mass transfer co-efficient) KL².DA √(KL².DA) KL²/DA KL/DA² KL².DA √(KL².DA) KL²/DA KL/DA² ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer For the air water system under ambient conditions, the adiabatic saturation temperature and the wet bulb temperature are nearly equal, because Solubility of the components of air in water is very small Lewis number is close to unity They are always equal under all circumstances Water has a high latent heat of evaporation Solubility of the components of air in water is very small Lewis number is close to unity They are always equal under all circumstances Water has a high latent heat of evaporation ANSWER DOWNLOAD EXAMIANS APP