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MMLU-Pro / 12166 / Air flows through a pipe, and cooling is achieved by means of forced convection.…

Problem

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question

Air flows through a pipe, and cooling is achieved by means of forced convection. Air flowing at a speed of 100 ft/sec enters the pipe at a temperature and pressure of 68°F and 14.2 psi, respectively. The pipe is 3 ft. in length, with a 0.8 in. diameter. The wall surface temperature is 200°F. If the pressure drop over the length is 3.2 in. of water, calculate the heat transferred from the pipe to the air.

category

engineering

options

  1. 1750 Btu/hr
  2. 1650 Btu/hr
  3. 1571.56 Btu/hr
  4. 1500 Btu/hr
  5. 1600 Btu/hr
  6. 1432.22 Btu/hr
  7. 1325 Btu/hr
  8. 1725 Btu/hr
  9. 1890 Btu/hr
  10. 1475.78 Btu/hr

src

stemez-HeatTransfer

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