Mass Transfer With increase in absolute humidity, the dew point of an unsaturated mixture of air and water vapor (at constant pressure and temperature) Remains unchanged Increases Decreases Decreases linearly Remains unchanged Increases Decreases Decreases linearly ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer In the constant rate period of the rate of drying curve for batch drying, Surface evaporation of unbound moisture occurs Cracks develop on the surface of the solid None of these Rate of drying decreases abruptly Surface evaporation of unbound moisture occurs Cracks develop on the surface of the solid None of these Rate of drying decreases abruptly ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer During drying of a solid, the critical moisture content increases with Decreased drying rate Increased thickness of the solid Both B and C Increased drying rate Decreased drying rate Increased thickness of the solid Both B and C Increased drying rate ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer For experimental determination of mass transfer co-efficient by wetted wall tower, the mass transfer area is Calculated Unknown Not required Known Calculated Unknown Not required Known ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer To get high tray efficiency Time of contact between the two phases should be less Gas velocity should be very low Liquid entrainment should be severe Interfacial surface between liquid and gas phase should be large Time of contact between the two phases should be less Gas velocity should be very low Liquid entrainment should be severe Interfacial surface between liquid and gas phase should be large ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer In an absorption coloumn, the flooding velocity for random packing is __________ that for stacked/regular packing. Smaller than Either A, or B ; depends on the type of packing Equal to Greater than Smaller than Either A, or B ; depends on the type of packing Equal to Greater than ANSWER DOWNLOAD EXAMIANS APP
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