Mass Transfer Molecular diffusivity of a liquid May increase or decrease with temperature Decreases with temperature Is independent of temperature Increases with temperature May increase or decrease with temperature Decreases with temperature Is independent of temperature Increases with temperature ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Molecular distillation is Very low pressure distillation For heat-sensitive materials High temperature distillation Both B and C Very low pressure distillation For heat-sensitive materials High temperature distillation Both B and C ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer The fixed cost of a distillation column at minimum reflux ratio is Minimum None of these Optimum Infinite Minimum None of these Optimum Infinite ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer A binary mixture of benzene and cyclohexane is separated by Flash vaporisation Extractive distillation Solvent extraction Ordinary distillation Flash vaporisation Extractive distillation Solvent extraction Ordinary distillation ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer The unit of volumetric diffusivity is Cm³/sec Cm²/sec Cm/sec Cm²/seC₂ Cm³/sec Cm²/sec Cm/sec Cm²/seC₂ ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer In a forced draft cooling tower, water is cooled from 95 to 80°F by exposure to air with a wet bulb temperature of 70°F. In this case, the Neither A nor B Approach is 10°F Range is 15°F Both A & B Neither A nor B Approach is 10°F Range is 15°F Both A & B ANSWER DOWNLOAD EXAMIANS APP