Mass Transfer Flights in a rotary dryer are provided to Reduce the residence time of solid Lift and shower the solids thus exposing it thoroughly to the drying action of the gas None of these Increase the residence time of the solid Reduce the residence time of solid Lift and shower the solids thus exposing it thoroughly to the drying action of the gas None of these Increase the residence time of the solid ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer The unit of volumetric diffusivity is Cm/sec Cm³/sec Cm²/sec Cm²/seC₂ Cm/sec Cm³/sec Cm²/sec Cm²/seC₂ ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer If Rm is the minimum reflux ratio, the optimum reflux ratio may be around __________ Rm. 1.2 to 1.5 2.5 to 3 5 3 to 4 1.2 to 1.5 2.5 to 3 5 3 to 4 ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer The drying time between fixed moisture contents within the 'constant rate period' is proportional to (assuming that drying occurs from all surfaces of the solid) (where, T = thickness of the solid ) T1.5 T3 √T T T1.5 T3 √T T ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Entrainer used in azeotropic distillation should Have high viscosity to provide high tray efficiency Form a new azeotrope of low relative volatility with one of the constituents of the mixture Form a low boiling azeotrope with one of the constituents of the mixture Have high latent heat of vaporisation Have high viscosity to provide high tray efficiency Form a new azeotrope of low relative volatility with one of the constituents of the mixture Form a low boiling azeotrope with one of the constituents of the mixture Have high latent heat of vaporisation ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer __________ diffusion is used for separating the isotopes of methane. Thermal Pressure Concentration Force Thermal Pressure Concentration Force ANSWER DOWNLOAD EXAMIANS APP
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