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After expansion from a gas turbine, the hot exhaust gases are used to heat the compressed air from a compressor with the help of a cross flow heat exchanger of 0.8 effectiveness. What is the number of transfer units of the heat exchanger?
  • a)
    2
  • b)
    4
  • c)
    8
  • d)
    16
Correct answer is option 'B'. Can you explain this answer?
Verified Answer
After expansion from a gas turbine, the hot exhaust gases are used to ...
Effectiveness = NTU/NTU – 1 = 0.5.
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