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MMLU-Pro / 12185 / An electrical current flows along a flat plate of carbon steel 1/2 in. thick, 4…

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question

An electrical current flows along a flat plate of carbon steel 1/2 in. thick, 4 in. wide and 2.5 ft. long, when a potential of 12 volts is applied. Under steady state conditions, if the temperature of the lateral faces is 1500°F, determine the temperature at the center of the plate. The heat loss from the end surfaces is neglected. Assume that theohmicheat generated is uniform across the section. \rho(resistivity of carbon steel) = 1.25 × 10^-4 (ohm)(ft) k(thermal conductivity of carbon steel) = 2.8 Btu/hr-ft-°F

category

engineering

options

  1. 1480°F
  2. 1475°F
  3. 1600°F
  4. 1500°F
  5. 1510°F
  6. 1549°F
  7. 1555°F
  8. 1520°F
  9. 1565°F
  10. 1620°F

src

stemez-TransportPhenomena

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