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MMLU-Pro / 12107 / Calculate the time needed for a water spill to evaporate into stillair at 74°F…

Problem

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

question

Calculate the time needed for a water spill to evaporate into stillair at 74°F and 1 atm., with an absolute humidity of 0.0019 lb of water per lb of dry air.The water is 0.039 in. abovethe ground surface and is at a constant temperature of74°F. Evaporation occurs by the process of molecular diffusionthrough a gas film of thickness 0.19 in.

category

engineering

options

  1. 6.2 hr
  2. 2.0 hr
  3. 4.0 hr
  4. 3.25 hr
  5. 1.5 hr
  6. 7.0 hr
  7. 2.63 hr
  8. 0.75 hr
  9. 3.85 hr
  10. 5.5 hr

src

stemez-TransportPhenomena

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