Mass Transfer A solid material shows case hardening properties while drying. Which of the following should be controlled to control the drying process? Flow rate of inlet air Humidity of inlet air Relative humidity of outlet air Temperature of the solid Flow rate of inlet air Humidity of inlet air Relative humidity of outlet air Temperature of the solid ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer The Kundsen diffusivity is proportional to (where, T = absolute temperature) T² T √T T⁴ T² T √T T⁴ ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer If a two phase system is in physical equilibrium; then it means that, the 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 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 ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Fenske equation determines the Optimum reflux ratio Height of the distillation column Minimum number of theoretical plates Maximum number of ideal plates Optimum reflux ratio Height of the distillation column Minimum number of theoretical plates Maximum number of ideal plates ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer In a packed bed absorption column, the channelling will be noted by the Sharp drop in pressure drop Increase in flow rate None of these Sharp rise in pressure drop Sharp drop in pressure drop Increase in flow rate None of these Sharp rise in pressure drop ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer The rough value of diffusion co-efficient of water vapor into air at 25°C may be about __________ cm²/sec. 0.0025 2.5 0.25 1.25 0.0025 2.5 0.25 1.25 ANSWER DOWNLOAD EXAMIANS APP
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