Mass Transfer Which of the following is not a continuous drier? Spray drier Tunnel drier Tray drier Drum drier Spray drier Tunnel drier Tray drier Drum drier ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer An aqueous solution of methanol is to be distilled in a tray column. High pressure steam is available as a source of heat. For a given reflux ratio and overhead composition, two options are being explored; (i) a reboiler is used and (ii) no reboiler is used but steam is fed directly to the bottom of the column. As compared to option (i), in option (ii) More number of trays are required and the residue composition is more dilute in methanol More number of trays are required but the residue composition remains unchanged Composition of the residue remains unchanged Less number of trays are required More number of trays are required and the residue composition is more dilute in methanol More number of trays are required but the residue composition remains unchanged Composition of the residue remains unchanged Less number of trays are required ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer The feed to fractionating column is changed from saturated vapour to saturated liquid. If the separation and reflux ratio remains unchanged, the number of ideal stages will Decrease Increase Depend on saturated boiling point; may increase or decrease Remains same Decrease Increase Depend on saturated boiling point; may increase or decrease Remains same ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Make up water is required in a cooling tower to replace the water lost by All of these Evaporation Drift Blowdown and leakage All of these Evaporation Drift Blowdown and leakage ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Unsaturated air (with dry bulb temperature and dew point being 35°C and 18°C respectively) is passed through a water spray chamber maintained at 15°C. The air will be cooled And dehumidified with increase in wet bulb temperature And dehumidified with decrease in wet bulb temperature And humidified At the same relative humidity And dehumidified with increase in wet bulb temperature And dehumidified with decrease in wet bulb temperature And humidified At the same relative humidity ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Diffusion co-efficient generally depends upon the temperature, pressure & the nature of the components of the system. Its dimension is not the same as that of the Mass transfer co-efficient Thermal diffusivity Volumetric diffusivity Kinematic viscosity Mass transfer co-efficient Thermal diffusivity Volumetric diffusivity Kinematic viscosity ANSWER DOWNLOAD EXAMIANS APP
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