Mass Transfer Prandtl number for water at 20°C is about 0.7 150 70 7 0.7 150 70 7 ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer During constant rate period, the rate of drying decreases with the Increase in air humidity Decrease in air temperature Neither A nor B Both A & B Increase in air humidity Decrease in air temperature Neither A nor B Both A & B 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 3 to 4 5 2.5 to 3 1.2 to 1.5 3 to 4 5 2.5 to 3 ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Molecular distillation is Very low pressure distillation High temperature distillation Both B and C For heat-sensitive materials Very low pressure distillation High temperature distillation Both B and C For heat-sensitive materials ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer In the absorption of ammonia in water, the main resistance to absorption is by the __________ phase. Both A & B Neither A nor B Gas Liquid Both A & B Neither A nor B Gas Liquid ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer In physical terms, Schmidt number means Mass diffusivity/thermal diffusivity Momentum diffusivity/mass diffusivity Thermal diffusivity/mass diffusivity Thermal diffusivity/momentum diffusivity Mass diffusivity/thermal diffusivity Momentum diffusivity/mass diffusivity Thermal diffusivity/mass diffusivity Thermal diffusivity/momentum diffusivity ANSWER DOWNLOAD EXAMIANS APP
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