Physics · Heat Exchangers
Which of the following statements is false with respect to heat exchangers?
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 1In a parallel flow heat exchanger, the outlet temperature of the cold fluid can be greater than the outlet temperature of the hot fluid.✓
- 2A counter-flow heat exchanger requires a smaller surface area compared to a parallel flow heat exchanger for a specified heat transfer rate.
- 3A counter-flow heat exchanger has a higher value of LMTD for the same end temperatures compared to a parallel flow heat exchanger.
- 4In parallel flow, both fluids flow past the heat exchanger in the same direction.
Correct answer
In a parallel flow heat exchanger, the outlet temperature of the cold fluid can be greater than the outlet temperature of the hot fluid.
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