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MMLU-Pro / 12206 / What is the maximum air velocity that will not exceed a 2°F temperature rise at…

Problem

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question

What is the maximum air velocity that will not exceed a 2°F temperature rise at a stagnation point ? Assume air at 70°F and 14.7psia. TABLE Gas Chemical Formula Specific Weight, \gamma Density, \rho Gas Constant, R Adiabatic Constant, k lb/ft^3 N/m^3 slugs/ft^3 kg/m^3 ft/°R m/°K Air --- 0.0753 11.8 0.00234 1.206 53.3 29.2 1.40 Ammonia NH_3 0.0448 7.04 0.00139 0.716 89.5 49.1 1.32 Carbon Dioxide CO_2 0.115 18.1 0.00357 1.840 34.9 19.1 1.29 Helium He 0.0104 1.63 0.000323 0.166 386. 212. 1.66 Hydrogen H_2 0.00522 0.820 0.000162 0.0835 767. 421. 1.40 Methane CH_4 0.0416 6.53 0.00129 0.665 96.4 52.9 1.32 Nitrogen N_2 0.0726 11.4 0.00225 1.160 55.2 30.3 1.40 Oxygen O_2 0.0830 13.0 0.00258 1.330 48.3 26.5 1.40 Sulfur dioxide SO_2 0.170 26.7 0.00528 2.721 23.6 12.9 1.26

category

engineering

options

  1. 225 ft/s
  2. 250 ft/s
  3. 100 ft/s
  4. 200 ft/s
  5. 153 ft/s
  6. 300 ft/s
  7. 50 ft/s
  8. 180 ft/s
  9. 125 ft/s
  10. 75 ft/s

src

stemez-FluidMechanics

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Source and history

upstream_id / Original problem ID
12206
task_id
d11f0ea7-b4dc-548b-bf51-7f6b016d5e8d
task_key
default--test--12206
task_revision_id
1
config / split
default / test

Official source

initial import