Mass Transfer The diffusivity (D) in a binary gas mixture is related to the pressure (P) as D ∝ 1/P1.5 D ∝ 1/P0.5 D ∝ P0.5 D ∝ 1/P D ∝ 1/P1.5 D ∝ 1/P0.5 D ∝ P0.5 D ∝ 1/P 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) P vs . log T Log P vs . T Log P vs. log T T vs . P P vs . log T Log P vs . T Log P vs. log T T vs . P ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Which of the following liquid-vapor contacting devices provides maximum contact surface area for a particular duty? Randomly packed column Sieve plate column Bubble cap column Wetted wall column Randomly packed column Sieve plate column Bubble cap column Wetted wall column ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Positive deviation from Raoult's law means a mixture whose total pressure is Less than the sum of the vapour pressure of the components Less than that computed for ideality None of these Greater than that computed for ideality Less than the sum of the vapour pressure of the components Less than that computed for ideality None of these Greater than that computed for ideality ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer NSc/NPr is called the Lewis number Psychrometric ratio Stantan number Sherwood number Lewis number Psychrometric ratio Stantan number Sherwood number ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Dry bulb temperature of the gas is __________ the wet bulb temperature. Equal to None of these More than Less than Equal to None of these More than Less than ANSWER DOWNLOAD EXAMIANS APP
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