Mass Transfer Gaseous diffusivity at atmospheric pressure is of the order of __________ cm²/second. 1 1 to 5 > 10 5 to 10 1 1 to 5 > 10 5 to 10 ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer The most common packing used in industrial operations is __________ rings. Single spiral Cross-partition Raschig Lessing Single spiral Cross-partition Raschig Lessing ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Back-trapping in a distillation column Reduces pressure drop Increases tray efficiency Decreases tray efficiency Is desirable, as it provides improved vapour-liquid contact Reduces pressure drop Increases tray efficiency Decreases tray efficiency Is desirable, as it provides improved vapour-liquid contact ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Mass transfer rate between two fluid phases does not necessarily depend on the __________ of the two phases. Chemical properties Interfacial area Physical properties Degree of turbulence Chemical properties Interfacial area Physical properties Degree of turbulence ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Which of the following adsorbant is used in the refinning of sugar? Wood charcoal Activated clay Silica gel Bone charcoal Wood charcoal Activated clay Silica gel Bone charcoal ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer In extractive distillation, solvent is Of high volatility Of high viscosity to give high tray efficiency Added to alter the relative volatility of the mixture Present in overhead stream Of high volatility Of high viscosity to give high tray efficiency Added to alter the relative volatility of the mixture Present in overhead stream ANSWER DOWNLOAD EXAMIANS APP
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