Mass Transfer Most important factor to be considered in the selection of packings for absorbers is the __________ of packing. Porosity Size Durability Cost Porosity Size Durability Cost ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer It takes 6 hours to dry a wet solid from 50% moisture content to the critical moisture content of 15%. How much longer it will take to dry the solid to 10% moisture content, under the same drying conditions? (The equilibrium moisture content of the solid is 5%). 15 min 71 min 94 min 51 min 15 min 71 min 94 min 51 min ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Steam distillation is used to separate Mixtures of low relative volatility Heat sensitive materials High boiling substances from nonvolatile impurities Azeotropes Mixtures of low relative volatility Heat sensitive materials High boiling substances from nonvolatile impurities Azeotropes ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer When the __________ the relative humidity of air decreases, despite an increase in the absolute humidity. Temperature rises Pressure rises Temperature falls Pressure falls Temperature rises Pressure rises Temperature falls Pressure falls ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Chemisorption (chemical adsorption) is Same as "Van der Waals" adsorption An irreversible phenomenon Characterised by adsorption of heat A reversible phenomenon Same as "Van der Waals" adsorption An irreversible phenomenon Characterised by adsorption of heat A reversible phenomenon ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer The boiling points of pure components of a binary system __________ with increase in total pressure of the system. Increases May increase or decrease, depends on the system Remains unchanged Decreases Increases May increase or decrease, depends on the system Remains unchanged Decreases ANSWER DOWNLOAD EXAMIANS APP