GATE XL · 2021 · XL-U
Question 20: Food Engineering
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Question 20
XL-UNAT2 marksNeeds review
Dry air is fed into a tray dryer. The percentage relative humidity of the air leaving the dryer is 60% at 70°C and 101.35 kPa. If saturated vapour pressure of water at 70°C is 31.2 kPa, the humidity of the air leaving the dryer in kg water per kg dry air (round off to 2 decimal places) will be _____.
(Given : Molecular weight of water and air are 18.02 g mol⁻¹ and 28.97 g mol⁻¹ respectively)
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2021XL-U
GATE XL 2021 · Paper 1
Life Sciences · Original paper archive
- Section
- Section XL-U
- Question type
- Numerical answer (NAT)
- Marks
- 2 marks
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