Mass Transfer The term "cooling range" in a cooling tower refers to the difference in the temperature of Hot water entering the tower and the wet bulb temperature of the surrounding air Hot water entering the tower and the cooled water leaving the tower None of the listed here Cold water leaving the tower and the wet bulb temperature of the surrounding air Hot water entering the tower and the wet bulb temperature of the surrounding air Hot water entering the tower and the cooled water leaving the tower None of the listed here Cold water leaving the tower and the wet bulb temperature of the surrounding air ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Tower diameter may be decreased by Using higher reflux ratio Use of increased tray spacing Increasing the liquid flow rate Increasing the vapour flow rate Using higher reflux ratio Use of increased tray spacing Increasing the liquid flow rate Increasing the vapour flow rate ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Pick out the wrong statement. Raoult's law does not apply, when the Attractive forces between like and unlike molecules in the solution are approximately equal Chemical combination or molecular association between unlike molecules takes place in the formation of solution Component molecules are nonpolar Size of component molecules are not equal Attractive forces between like and unlike molecules in the solution are approximately equal Chemical combination or molecular association between unlike molecules takes place in the formation of solution Component molecules are nonpolar Size of component molecules are not equal ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer The dew point of a saturated gas phase equals the __________ temperature. None of these Gas Wet bulb Room None of these Gas Wet bulb Room ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer A 25 cm x 25 cm x 1 cm flat sheet weighing 1.2 kg initially was dried from both sides under constant drying rate conditions. It took 1500 seconds for the weight of the sheet to reduce to 1.05 kg. Another 1m x 1m x 1cm flat sheet of the same material is to be dried from one side only.Under the same constant drying rate conditions, the time required for drying (in seconds) from its initial weight of 19.2 kg to 17.6 kg is 1000 2500 2000 1500 1000 2500 2000 1500 ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer With increase in temperature, the leaching rate increases due to Both A & B Increased diffusivity Decreased liquid viscosity Neither A nor B Both A & B Increased diffusivity Decreased liquid viscosity Neither A nor B ANSWER DOWNLOAD EXAMIANS APP
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