Mass Transfer Occurrence of 'case hardening' during drying of a high moisture solid cake __________ the drying rate. Increases Exponentially increases Does not affect Decreases Increases Exponentially increases Does not affect Decreases ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer In extractive distillation, solvent is Present in overhead stream Of high volatility Added to alter the relative volatility of the mixture Of high viscosity to give high tray efficiency Present in overhead stream Of high volatility Added to alter the relative volatility of the mixture Of high viscosity to give high tray efficiency 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 Log P vs . T P vs . log T T vs . P Log P vs. log T Log P vs . T P vs . log T ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Which of the following has the same dimension as mass diffusivity? Thermal diffusivity Kinematic viscosity Momentum flux Both Momentum flux & Kinematic viscosity Thermal diffusivity Kinematic viscosity Momentum flux Both Momentum flux & Kinematic viscosity ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Which of the following is an undesirable characteristic for the solvent used in gas absorption? None of these High gas solubility Low vapor pressure Low viscosity None of these High gas solubility Low vapor pressure Low viscosity ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Prandtl number for water at 20°C is about 150 7 70 0.7 150 7 70 0.7 ANSWER DOWNLOAD EXAMIANS APP
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