Mass Transfer During sensible cooling process Relative humidity decreases Relative humidity increases Wet bulb temperature decreases Both B and C Relative humidity decreases Relative humidity increases Wet bulb temperature decreases Both B and C ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer In case of liquid-liquid binary diffusion, diffusivity of one constituent into another is not dependent on the Nature of the constituents Concentration None of these Temperature and pressure Nature of the constituents Concentration None of these Temperature and pressure ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Lewis number, which is important in problems involving simultaneous heat and mass transfer, is the ratio of Mass diffusivity to momentum diffusivity None of these Momentum diffusivity to thermal diffusivity Thermal diffusivity to mass diffusivity Mass diffusivity to momentum diffusivity None of these Momentum diffusivity to thermal diffusivity Thermal diffusivity to mass diffusivity ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Can a cooling tower cool water below the wet bulb temperature of inlet air? Yes ; but height of cooling tower will be prohibitively high Yes Yes ; but the air flow rate should be excessively high No Yes ; but height of cooling tower will be prohibitively high Yes Yes ; but the air flow rate should be excessively high No ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer The dimension of diffusivity is same as that of the Density Molal concentration Velocity head Kinematic viscosity Density Molal concentration Velocity head Kinematic viscosity ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer McCabe-Thiele method Uses molal units for material and energy balance Is more accurate than Ponchan-Savarit method Uses weight fractions to express liquid and vapour composition Can use any type of units Uses molal units for material and energy balance Is more accurate than Ponchan-Savarit method Uses weight fractions to express liquid and vapour composition Can use any type of units ANSWER DOWNLOAD EXAMIANS APP
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