Mass Transfer The rough value of diffusion co-efficient of water vapor into air at 25°C may be about __________ cm²/sec. 0.25 0.0025 1.25 2.5 0.25 0.0025 1.25 2.5 ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer If G = insoluble gas in gas stream and L = non-volatile solvent in liquid stream, then the slope of the operating line for the absorber is L/G G/L None of these Always < 1 L/G G/L None of these Always < 1 ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Channelling is most severe At very high liquid flow rate In dumped packing of regular units In towers packed randomly with crushed solids In towers packed with stacked packing At very high liquid flow rate In dumped packing of regular units In towers packed randomly with crushed solids In towers packed with stacked packing ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer A good solvent used for absorption should not have very high All of these Viscosity Freezing point Vapor pressure All of these Viscosity Freezing point Vapor pressure ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer The Schmidt number which is defined as, μ/ρ D, is the ratio of the Momentum diffusivity to the thermal diffusivity None of these Thermal diffusivity to the mass diffusivity Momentum diffusivity to the mass dif-fusivity Momentum diffusivity to the thermal diffusivity None of these Thermal diffusivity to the mass diffusivity Momentum diffusivity to the mass dif-fusivity ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Which of the following plays an important role in problems of simultaneous heat and mass transfer? Sherwood number Prandtl number Lewis number Schmidt number Sherwood number Prandtl number Lewis number Schmidt number ANSWER DOWNLOAD EXAMIANS APP
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