Mathematics · Heat Transfer
In a counter-flow heat exchanger, a hot fluid is cooled from 70°C to 40°C by using a cold fluid that gets heated from 20°C to 50°C. The log mean temperature difference (LMTD) value of the heat exchanger is:
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 150°C
- 230°C
- 30°C
- 420°C✓
Correct answer
20°C
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