GATE BT · 2026 · BT
Question 54: Transport Processes
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Question 54
BTNAT2 marksNeeds review
A heat exchanger during operation in a bioprocess has a steady temperature of 90 °C. After completion of its operation, it was shut down and it was observed that the rate of decrease of temperature at any time was directly proportional to the difference
°C, where
denotes temperature at time
. It was observed that it took 30 min for the temperature to drop to 70 °C. The temperature after 51.5 min will be ________ °C. (rounded off to the nearest integer)Log in to check the answer
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2026BT
GATE BT 2026 · Paper 1
Biotechnology · Original paper archive
- Section
- Biotechnology
- Question type
- Numerical answer (NAT)
- Marks
- 2 marks
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