Mass Transfer The rough value of diffusion co-efficient of water vapor into air at 25°C may be about __________ cm²/sec. 0.25 1.25 0.0025 2.5 0.25 1.25 0.0025 2.5 ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Critical humidity of a solid salt means the humidity Below which it will always stay dry Above Which it will always become dry and below which it will always stay damp Both A and B Above which it will always become damp Below which it will always stay dry Above Which it will always become dry and below which it will always stay damp Both A and B Above which it will always become damp ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Mechanism of moisture removal in case of freeze drying of food stuff is by Adsorption Sublimation Dehydration Evaporation Adsorption Sublimation Dehydration Evaporation ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer In McCabe-Thiele method, at infinite reflux ratio Both A & B Both the operating lines coincide with diagonal Neither A nor B The overhead product is minimum Both A & B Both the operating lines coincide with diagonal Neither A nor B The overhead product is minimum ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Under conditions of flooding in packed tower, the gas pressure drop Increases rapidly Is maximum Remains constant Decreases rapidly Increases rapidly Is maximum Remains constant Decreases rapidly ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Acetone is to be removed from air in an isothermal dilute absorber using pure water as solvent. The incoming air contains 5 mole% of acetone (yin = 0.05). The design equation to be used for obtaining the number of trays (N) of the absorber is, N+2 = 6 log (yin/yout).For 98% recovery of acetone, the number of trays required is/are 8 1 9 10 8 1 9 10 ANSWER DOWNLOAD EXAMIANS APP
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