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MMLU-Pro / 11556 / Anuninsulatedmetal wire is conducting 900 amps of electricity. The diameter of…

Problem

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question

Anuninsulatedmetal wire is conducting 900 amps of electricity. The diameter of the wire is 0.50 in. and its thermal conductivity (k) is 10 Btu/hr-ft-°F. The resistance to the flow of electricity is 0.00015 ohms per ft. length. If the heat transfer coefficient at the surface is 6.0 Btu/hr-ft^2- °F and the ambient temperature is 65 °F, calculate the temperature at the center of the wire.

category

engineering

options

  1. 580°F
  2. 585°F
  3. 600°F
  4. 610°F
  5. 605°F
  6. 596°F
  7. 595°F
  8. 592.8°F
  9. 590°F
  10. 615°F

src

stemez-TransportPhenomena

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