Mass Transfer In the constant rate period of the rate of drying curve for batch drying, Cracks develop on the surface of the solid Surface evaporation of unbound moisture occurs Rate of drying decreases abruptly None of these Cracks develop on the surface of the solid Surface evaporation of unbound moisture occurs Rate of drying decreases abruptly None of these ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Most important factor to be considered in the selection of packings for absorbers is the __________ of packing. Cost Durability Size Porosity Cost Durability Size Porosity ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Separation of two volatile liquids by distillation makes use of their Solubility Relative volatility Selectivity Density difference Solubility Relative volatility Selectivity Density difference ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer The binary diffusivity in gases at atmospheric conditions is about 10-1 cm²/sec 10-9 cm/sec 10-3 sec/cm 10-4 cm²/seC₂ 10-1 cm²/sec 10-9 cm/sec 10-3 sec/cm 10-4 cm²/seC₂ ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer In a packed absorption tower, if the equilibrium and operating lines are both straight lines, then the ratio, HETP/HTUOG __________ the absorption factor. Both A and B Neither A nor B Increases with increase in Is one at unity value of Both A and B Neither A nor B Increases with increase in Is one at unity value of ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer In batch distillation with constant reflux, overhead product composition __________ with time. May increase on decrease, depends on the system Decreases Increases Does not vary May increase on decrease, depends on the system Decreases Increases Does not vary ANSWER DOWNLOAD EXAMIANS APP
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