Mass Transfer For __________ drying, the effects of velocity, temperature and humidity of the gas and the thickness of the solid are the same. Constant rate Unsaturated surface Both A & B Neither A nor B Constant rate Unsaturated surface Both A & B Neither A nor B ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer The McCabe Δ L law states that the Molar heats of vaporisation of components are nearly equal Linear crystal growth rate depends on the degree of supersaturation Linear crystal growth rate does not depend on the crystal size Linear crystal growth rate depends on the crystal size Molar heats of vaporisation of components are nearly equal Linear crystal growth rate depends on the degree of supersaturation Linear crystal growth rate does not depend on the crystal size Linear crystal growth rate depends on the crystal size ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer According to Poiseuille's law, the permeability for gas flow through a capillary is proportional to (where, μ = gas viscosity) μ μ² √μ 1/μ μ μ² √μ 1/μ ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer If a₁ and a₂ are the relative volatilities when the pressure in the distillation column is 1 and 2 atm respectively. Pick out the correct statement. a₁ = 0.5 a₂ a₁ = 2a₂ a₁ = a₂ None of these a₁ = 0.5 a₂ a₁ = 2a₂ a₁ = a₂ None of these ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Which of the following decreases during evaporative cooling process with recirculated water supply? Relative humidity Partial pressure of vapour Wet bulb temperature None of these Relative humidity Partial pressure of vapour Wet bulb temperature None of these ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer In extractive distillation, solvent is Added to alter the relative volatility of the mixture Of high volatility Present in overhead stream Of high viscosity to give high tray efficiency Added to alter the relative volatility of the mixture Of high volatility Present in overhead stream Of high viscosity to give high tray efficiency ANSWER DOWNLOAD EXAMIANS APP
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