Mass Transfer
Which of the following adsorbant is used in the refinning of sugar?

Wood charcoal
Silica gel
Bone charcoal
Activated clay

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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 cooled water leaving the tower
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
None of the listed here

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