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MMLU-Pro / 11497 / The transpiration cooling with liquid oxygen as cooling mediumis used to protect…

Problem

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question

The transpiration cooling with liquid oxygen as cooling mediumis used to protect the combustion chamber walls frombeing destroyed. The temperature of inside surface of wallsshould be maintained at 1170°R by adding liquid oxygenat 170°R through the porous walls into the chamber. The temperature of the gas stream is 3100°R and the heat transfercoefficient for the turbulent flow without the addition ofoxygen is 250 Btu / hr. ft^2. °F. Find the required rate of addition of oxygen.

category

engineering

options

  1. 35.6 lb-moles / hr.ft^2
  2. 18.9 lb-moles / hr.ft^2
  3. 28.5 lb-moles / hr.ft^2
  4. 25.0 lb-moles / hr.ft^2
  5. 40.2 lb-moles / hr.ft^2
  6. 30.7 lb-moles / hr.ft^2
  7. 22.3 lb-moles / hr.ft^2
  8. 33.3 lb-moles / hr.ft^2
  9. 20.7 lb-moles / hr.ft^2
  10. 15.4 lb-moles / hr.ft^2

src

stemez-TransportPhenomena

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Source and history

upstream_id / Original problem ID
11497
task_id
100d4109-acce-5997-b226-9824d5c66522
task_key
default--test--11497
task_revision_id
1
config / split
default / test

Official source

initial import