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 = a₂ a₁ = 2a₂ None of these a₁ = 0.5 a₂ a₁ = a₂ a₁ = 2a₂ None of these a₁ = 0.5 a₂ ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer For the case of flow of air past a wet bulb thermometer (air water vapour system), the approximate value of H₂/ky.Cz is around 0.24 1 0.6 0.72 0.24 1 0.6 0.72 ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Cox chart, which is useful in the design of distillation column particularly for petroleum hydrocarbons, is a plot of (where, P = vapor pressure, T = temperature) T vs . P Log P vs. log T P vs . log T Log P vs . T T vs . P Log P vs. log T P vs . log T Log P vs . T ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Which of the following equipments is not used for gas dispersion? Agitated vessels Bubble cap tray towers Perforated sieve tray towers Spray towers Agitated vessels Bubble cap tray towers Perforated sieve tray towers Spray towers ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer For a distillation column operating at minimum reflux, the Number of plates required will be maximum Concentration of liquid and vapour leaving a plate will be same None of these Reflux ratio will be maximum Number of plates required will be maximum Concentration of liquid and vapour leaving a plate will be same None of these Reflux ratio will be maximum ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Which of the following same diameter columns gives lowest pressure drop per unit height? Packed column (stacked) Randomly packed column Bubble-cap column Sieve-plate column Packed column (stacked) Randomly packed column Bubble-cap column Sieve-plate column ANSWER DOWNLOAD EXAMIANS APP
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