Mass Transfer On addition of solute in the solvent, the __________ of the solution decreases. Vapour pressure Both B and C Freezing point Boiling point Vapour pressure Both B and C Freezing point Boiling point ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer During constant rate drying period, vaporisation rate per unit drying surface area Increases with time Does not affect the moisture content of the wet solid Decreases with time Does not change with time Increases with time Does not affect the moisture content of the wet solid Decreases with time Does not change with time ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Which of the following is an undesirable characteristic for the solvent used in gas absorption? None of these Low viscosity Low vapor pressure High gas solubility None of these Low viscosity Low vapor pressure High gas solubility ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Which of the following gas-liquid contacting devices incurs the least pressure drop for a particular duty? Grid tray tower Perforated tray tower Wetted wall tower Bubble cap tower Grid tray tower Perforated tray tower Wetted wall tower Bubble cap tower ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer A mixture of 10% C₆H₆ vapour in air at 25°C and 750 mm Hg has a dew point of 20°C. Its dew point at 30°C and 700 mm Hg will be around __________ °C. 18.7 27.3 20 21.7 18.7 27.3 20 21.7 ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer The drying time between fixed moisture contents within the 'constant rate period' is proportional to (assuming that drying occurs from all surfaces of the solid) (where, T = thickness of the solid ) √T T3 T1.5 T √T T3 T1.5 T ANSWER DOWNLOAD EXAMIANS APP
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