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MMLU-Pro / 11789 / Steam condenses on the outside surface of a pipe, and its coefficient of heat…

Problem

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question

Steam condenses on the outside surface of a pipe, and its coefficient of heat transfer is known to be 2000 Btu/hr-ft^2-°F. Oil is used as a coolant inside, and it flows at the rate of 10 ft/min. The pipe is 2 ft. long and has an inside diameter of 1 in. If the oil entrance temperature is 70°F, what is the rate at which heat is transferred to the oil? Assume that the flow is fully developed, and that the resistance of the pipe itself is small enough to be neglected.

category

engineering

options

  1. 880 Btu/hr
  2. 900 Btu/hr
  3. 829 Btu/hr
  4. 850 Btu/hr
  5. 810 Btu/hr
  6. 800 Btu/hr
  7. 950 Btu/hr
  8. 700 Btu/hr
  9. 750 Btu/hr
  10. 875 Btu/hr

src

stemez-HeatTransfer

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