Mass Transfer With increase in temperature, the rate of leaching increases, because the None of these Viscosity of solvent decreases Diffusivity of solute increases Thermal conductivity of solute increases None of these Viscosity of solvent decreases Diffusivity of solute increases Thermal conductivity of solute increases ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer The binary diffusivity in gases at atmospheric conditions is about 10-9 cm/sec 10-1 cm²/sec 10-4 cm²/seC₂ 10-3 sec/cm 10-9 cm/sec 10-1 cm²/sec 10-4 cm²/seC₂ 10-3 sec/cm ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer When the solvent dissolves very little of solute, then Very small quantity of solvent is required Solvent of low latent heat of vaporisation should be used Large quantity of solvent is required to extract the solute Solvent of low freezing point should be used Very small quantity of solvent is required Solvent of low latent heat of vaporisation should be used Large quantity of solvent is required to extract the solute Solvent of low freezing point should be used ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Which of the following increases during evaporative cooling process with recirculated water supply? Relative humidity Wet bulb temperature Partial pressure of vapour Both B and C Relative humidity Wet bulb temperature Partial pressure of vapour Both B and C ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Which of the following plays an important role in problems of simultaneous heat and mass transfer? Prandtl number Lewis number Schmidt number Sherwood number Prandtl number Lewis number Schmidt number Sherwood number ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer When the __________ the relative humidity of air decreases, despite an increase in the absolute humidity. Temperature falls Pressure rises Pressure falls Temperature rises Temperature falls Pressure rises Pressure falls Temperature rises ANSWER DOWNLOAD EXAMIANS APP
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