GATE CH · 2026 · CH
Question 61: Mass Transfer
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Question 61
CHNAT2 marksNeeds review
The flooding velocity curves for two different structured packings are shown in the figure. The ratio of mass velocities of liquid (
) to that of the gas (
) is 1.27. The density of the liquid (
) is 1200 kg m⁻³ and that of the gas (
) is 1.2 kg m⁻³. For both the packings, the allowable superficial vapor velocity is 60% of flooding velocity (
). The ratio of allowable mass velocity of the vapor in packing P to that in packing Q is __________ (rounded off to one decimal place). 
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2026CH
GATE CH 2026 · Paper 1
Chemical Engineering · Original paper archive
- Section
- Chemical Engineering
- Question type
- Numerical answer (NAT)
- Marks
- 2 marks
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