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Mechanical Engineering - Heat Transfer, Refrigeration and Air Conditioning - Discussion

Discussion Forum : Heat Transfer, Refrigeration and Air Conditioning - Section 7 (Q.No. 4)
Heat Transfer, Refrigeration and Air Conditioning
4.
In counter-current flow heat exchangers
both the fluids at inlet are in their hottest state
both the fluids at inlet are in their coldest state
both the fluids at exit are in their hottest state
one fluid is coldest and the other is hottest at inlet
Answer: Option
Explanation:
No answer description is available. Let's discuss.
Discussion:
24 comments Page 3 of 3.
Wael said:   9 years ago
The correct answer is D.
Jaydeep said:   9 years ago
I think the answer should be option D.
Hemanta said:   9 years ago
The answer should be option D.
Sanosh said:   1 decade ago
No, the answer is D. If both the fluids at inlet are in their hottest state, then what is the use of heat exchanger. In counterflow, 1 fluid enters in coldest state and leaves hotter while another fluid enters hottest and leaves colder after transferring heat to the counter fluid.
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