GATE CH · 2025 · CH
Question 65: Mass Transfer
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Question 65
CHNAT2 marksNeeds review
A wet solid of 100 kg containing 30 wt% moisture is to be dried to 2 wt% moisture in a tray dryer. The critical moisture content is 10 wt% and the equilibrium moisture content is 1 wt%. The drying rate during the constant rate period is 10 kg/(h m
). The drying curve in the falling rate period is linear. If the drying area is 5 m
, the time required for drying is ____ h (rounded off to 1 decimal place).Note: All the moisture values given are on dry-solid basis.
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2025CH
GATE CH 2025 · Paper 1
Chemical Engineering · Original paper archive
- Section
- Chemical Engineering
- Question type
- Numerical answer (NAT)
- Marks
- 2 marks
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