Physics · Heat Transfer
Which of the following statements regarding heat exchangers is correct?
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 1In counter-flow heat exchangers, fluids enter and leave at perpendicular ends.
- 2In cross-flow heat exchangers, fluid flow is always in the exact same direction.
- 3In parallel-flow heat exchangers, fluids enter and leave at opposite ends.
- 4In double-pipe heat exchangers, one pipe is fixed concentrically inside a larger pipe.✓
Correct answer
In double-pipe heat exchangers, one pipe is fixed concentrically inside a larger pipe.
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