GATE CH · 2020 · CH
Question 32: Process Calculations and Thermodynamics
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Question 32
CHMCQ2 marksNeeds review
A tank initially contains a gas mixture with 21 mol % oxygen and 79 mol % nitrogen. Pure nitrogen enters the tank, and a gas mixture of nitrogen and oxygen exits the tank. The molar flow rate of both the inlet and exit streams is 8 mol s
. In addition, use the following data and assumptions:• Assume the tank contents to be well mixed
• Assume ideal gas behavior
• The temperature and pressure inside the tank are held constant
• Molar density of the gas mixture in the tank is constant at 40 mol m
If the volume of the tank is 20 m
, then the time (in seconds) required for oxygen content in the tank to decrease to 1 mol % isYour answerChoose one option.
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2020CH
GATE CH 2020 · Paper 1
Chemical Engineering · Original paper archive
- Section
- Chemical Engineering
- Question type
- Multiple choice (MCQ)
- Marks
- 2 marks
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