Mass Transfer In distillation where q is defined as the moles of liquid flow in the stripping section per mole of feed introduced, for saturated liquid feed q < 1 q = 1 q > 1 q = 0 q < 1 q = 1 q > 1 q = 0 ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer In the desorption of highly soluble gas from the liquid, the main resistance will be in the __________ phase. Gas Liquid Both A & B Neither A nor B Gas Liquid Both A & B Neither A nor B ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Separation of __________ employs gaseous diffusion process. Isotopes of helium N₂ and O₂ from air Isotopes of uranium SO₂ and air Isotopes of helium N₂ and O₂ from air Isotopes of uranium SO₂ and air ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Can the efficiency of a plate in the distillation tower be greater than 100%? Normally not; but is possible if infinite number of plates are put Never Yes Yes ; if the reflux ratio is maximum Normally not; but is possible if infinite number of plates are put Never Yes Yes ; if the reflux ratio is maximum ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer In the constant rate period of the rate of drying curve for batch drying, Cracks develop on the surface of the solid None of these Surface evaporation of unbound moisture occurs Rate of drying decreases abruptly Cracks develop on the surface of the solid None of these Surface evaporation of unbound moisture occurs Rate of drying decreases abruptly ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Priming in a distillation column Is desirable from point efficiency consideration Is characterised by the presence of foam throughout the space between trays Reduces the overall pressure drop Results from very low gas velocity Is desirable from point efficiency consideration Is characterised by the presence of foam throughout the space between trays Reduces the overall pressure drop Results from very low gas velocity ANSWER DOWNLOAD EXAMIANS APP
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