Mass Transfer Mass transfer co-efficient is defined as Flux = Co-efficient/concentration difference Co-efficient = Flux/concentration difference Flux=concentration difference/co-effi-cient None of the listed here Flux = Co-efficient/concentration difference Co-efficient = Flux/concentration difference Flux=concentration difference/co-effi-cient None of the listed here ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer In case of steam distillation, the steam leaving the liquid is not completely saturated with distillate vapour, because Mixing of steam with the material being vaporised is not so intimate as to result in equilibrium condition Saturated steam is used for steam distillation Temperature is less Total pressure is less Mixing of steam with the material being vaporised is not so intimate as to result in equilibrium condition Saturated steam is used for steam distillation Temperature is less Total pressure is less 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 None of these Humidified with wet bulb temperature decreasing Dehumidified Humidified at constant wet bulb temperature None of these Humidified with wet bulb temperature decreasing Dehumidified ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Rotary dryers cannot handle __________ materials. Sticky Grannular Free flowing Dry Sticky Grannular Free flowing Dry ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer 1 kg of a saturated aqueous solution of a highly soluble component A at 60°C is cooled to 25°C. The solubility limits of A are (0.6 kgA/kg water) at 60°C and (0.2 kgA/kg water) at 25°C. The amount in kg of the crystals formed is 0.4 0.2 0.25 0.175 0.4 0.2 0.25 0.175 ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer In case of a desorber (stripper), the Operating line always lies below the equilibrium curve Temperature always increases Operating line always lies above the equilibrium curve Temperature remains unaffected Operating line always lies below the equilibrium curve Temperature always increases Operating line always lies above the equilibrium curve Temperature remains unaffected ANSWER DOWNLOAD EXAMIANS APP