Mass Transfer During dehumidification of unsaturated air wet bulb temperature & partial pressure of vapor are not constant. However, during evaporative cooling process with recirculated water supply, the __________ remains constant. Relative humidity Partial pressure of water vapor Wet bulb temperature None of these Relative humidity Partial pressure of water vapor Wet bulb temperature None of these ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer An air-water vapour mixture has a dry bulb temperature of 60°C and a dew point temperature of 40°C. The total pressure is 101.3 kPa and the vapour pressure of water at 40°C and 60°C are 7.30 kPa and 19.91 kPa respectively.The humidity of air sample expressed as kg of water vapour/kg of dry air is 0.048 0.079 0.152 0.122 0.048 0.079 0.152 0.122 ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Large scale drying of wheat is done in a __________ dryer. Fluidised bed Tray Vacuum rotary Spouted bed Fluidised bed Tray Vacuum rotary Spouted bed ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer With decrease in the throughput (compared with the design capacity) for a bubble cap distillation column, its efficiency Decreases May increase or decrease ; depends on individual design Remains same Increases Decreases May increase or decrease ; depends on individual design Remains same Increases ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer During drying of a solid, the critical moisture content increases with Increased thickness of the solid Increased drying rate Decreased drying rate Both B and C Increased thickness of the solid Increased drying rate Decreased drying rate Both B and C ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer If a two phase system is in physical equilibrium; then it means that, the Temperature of the liquid phase is equal to that of the vapor phase Total pressure throughout the liquid phase is equal to that throughout the vapor phase All of these Escaping tendency of each component from the liquid phase to the vapor phase is exactly equal to that from vapor phase to liquid phase Temperature of the liquid phase is equal to that of the vapor phase Total pressure throughout the liquid phase is equal to that throughout the vapor phase All of these Escaping tendency of each component from the liquid phase to the vapor phase is exactly equal to that from vapor phase to liquid phase ANSWER DOWNLOAD EXAMIANS APP
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