Question:
For the same process temperatures, the ratio of the LMTD in parallel flow to the LMTD in counter-current flow in a liquid-liquid heat exchanger is always:
For the same process temperatures, the ratio of the LMTD in parallel flow to the LMTD in counter-current flow in a liquid-liquid heat exchanger is always:
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Counter-current flow is more efficient due to higher LMTD values.
Updated On: Dec 28, 2024
- 1
- \(< 1\)
- \(> 1\)
- Infinity
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The Correct Option is B
Solution and Explanation
In parallel flow, the temperature difference between fluids diminishes along the length of the exchanger, reducing the LMTD compared to counter-current flow.
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