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M

Mr. Dubey • 100.64K Points
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Q. Harmonic mean temperature difference is given by

  • (A) √(ΔT1 . ΔT2)
  • (B) 2 (ΔT1 . ΔT2)/(ΔT1 + ΔT2)
  • (C) 2 (ΔT1 . ΔT2)/(ΔT1 - ΔT2)
  • (D) (ΔT1 - ΔT2)/(ΔT1 . ΔT2)
  • Correct Answer - Option(B)
  • Views: 713
  • Filed under category Heat Transfer
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