Mass Transfer If mass diffusivity in a mixture is equal to the thermal diffusivity, then the Lewis number is < 1 1 > 1 < 1 1 > 1 ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Flooding in a vapor-liquid contacting equipment occurs in a tray, when the pressure drop through a tray is __________ the liquid head available in the downcomer. Very much less Less than More than Same as Very much less Less than More than Same as ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer With increase in the mass velocity of the gas, the rate of drying during the constant rate period __________ , if the conduction and radiation through the solid are negligible. Increases linearly Increases Decreases Remains same Increases linearly Increases Decreases Remains same ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer With increase in temperature, the leaching rate increases due to Increased diffusivity Both A & B Decreased liquid viscosity Neither A nor B Increased diffusivity Both A & B Decreased liquid viscosity Neither A nor B ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer The rough value of diffusion co-efficient of water vapor into air at 25°C may be about __________ cm²/sec. 0.0025 1.25 0.25 2.5 0.0025 1.25 0.25 2.5 ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer During sensible cooling process Both B and C Relative humidity decreases Wet bulb temperature decreases Relative humidity increases Both B and C Relative humidity decreases Wet bulb temperature decreases Relative humidity increases ANSWER DOWNLOAD EXAMIANS APP
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