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MMLU-Pro / 11720 / A (1/5) in. I.D. tube is at a constant temperature of 90°F. Water with a mean…

Problem

Answer published by the source. Consult the official source to check your work against its answer.

question

A (1/5) in. I.D. tube is at a constant temperature of 90°F. Water with a mean temperature of 55°F and a mean velocity of 1.5 ft/sec is pumped through this heated tube. Calcu-late the mean heat transfer coefficient for the first 4 ft. of the tube.

category

engineering

options

  1. 160 Btu/hr-ft^2-°F
  2. 120 Btu/hr-ft^2-°F
  3. 150 Btu/hr-ft^2-°F
  4. 145 Btu/hr-ft^2-°F
  5. 139 Btu/hr-ft^2-°F
  6. 130 Btu/hr-ft^2-°F
  7. 175 Btu/hr-ft^2-°F
  8. 110 Btu/hr-ft^2-°F
  9. 100 Btu/hr-ft^2-°F
  10. 125 Btu/hr-ft^2-°F

src

stemez-TransportPhenomena

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Source and history

upstream_id / Original problem ID
11720
task_id
618878d2-328f-580f-aee4-6d1acac42a3b
task_key
default--test--11720
task_revision_id
1
config / split
default / test

Official source

initial import