Mass Transfer Most important factor to be considered in the selection of packings for absorbers is the __________ of packing. Porosity Cost Durability Size Porosity Cost Durability Size ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer What is the degree of freedom of an absorption process in which only one component is transferred between phases? 3 1 4 2 3 1 4 2 ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Tower diameter may be decreased by Increasing the vapour flow rate Use of increased tray spacing Increasing the liquid flow rate Using higher reflux ratio Increasing the vapour flow rate Use of increased tray spacing Increasing the liquid flow rate Using higher reflux ratio ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer The rough value of diffusion co-efficient of water vapor into air at 25°C may be about __________ cm²/sec. 2.5 1.25 0.25 0.0025 2.5 1.25 0.25 0.0025 ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Flash distillation is Same as simple distillation Used for multicomponent systems like crude refining Same as differential distillation Most useful for handling binary systems Same as simple distillation Used for multicomponent systems like crude refining Same as differential distillation Most useful for handling binary systems ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Which of the following gas-liquid contacting devices incurs the least pressure drop for a particular duty? Bubble cap tower Perforated tray tower Grid tray tower Wetted wall tower Bubble cap tower Perforated tray tower Grid tray tower Wetted wall tower ANSWER DOWNLOAD EXAMIANS APP
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