Mass Transfer In the constant rate period of the rate of drying curve for batch drying, Rate of drying decreases abruptly None of these Surface evaporation of unbound moisture occurs Cracks develop on the surface of the solid Rate of drying decreases abruptly None of these Surface evaporation of unbound moisture occurs Cracks develop on the surface of the solid ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Separation of __________ employs gaseous diffusion process. Isotopes of helium SO₂ and air Isotopes of uranium N₂ and O₂ from air Isotopes of helium SO₂ and air Isotopes of uranium N₂ and O₂ from air ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Molecular diffusion is caused by the Transfer of molecules from low concentration to high concentration region Potential energy of the molecules Thermal energy of the molecules Activation energy of the molecules Transfer of molecules from low concentration to high concentration region Potential energy of the molecules Thermal energy of the molecules Activation energy of the molecules ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer In an absorption coloumn, the flooding velocity for random packing is __________ that for stacked/regular packing. Greater than Smaller than Equal to Either A, or B ; depends on the type of packing Greater than Smaller than Equal to Either A, or B ; depends on the type of packing ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Lewis number, which is important in problems involving simultaneous heat and mass transfer, is the ratio of Thermal diffusivity to mass diffusivity Momentum diffusivity to thermal diffusivity Mass diffusivity to momentum diffusivity None of these Thermal diffusivity to mass diffusivity Momentum diffusivity to thermal diffusivity Mass diffusivity to momentum diffusivity None of these ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Cox chart, which is useful in the design of distillation column particularly for petroleum hydrocarbons, is a plot of (where, P = vapor pressure, T = temperature) Log P vs. log T T vs . P P vs . log T Log P vs . T Log P vs. log T T vs . P P vs . log T Log P vs . T ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS