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MMLU-Pro / 12059 / A vessel with a frictionless piston contains 1 ft^3 of a gas at 200psia.The…

Problem

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

question

A vessel with a frictionless piston contains 1 ft^3 of a gas at 200psia.The piston is held in position by applying an externalforce. Calculate the amount of work done if: a) This external force is released gradually until the volume isdoubled in such a way that PV is always a constant. b) If the external force is released suddenly to half its initial value.

category

engineering

options

  1. 19,930(ft-lb_f), 14,400(ft-lb_f)
  2. 10,000(ft-lb_f), 7,000(ft-lb_f)
  3. 17,500(ft-lb_f), 12,250(ft-lb_f)
  4. 18,000(ft-lb_f), 13,500(ft-lb_f)
  5. 22,000(ft-lb_f), 16,500(ft-lb_f)
  6. 20,500(ft-lb_f), 15,375(ft-lb_f)
  7. 15,000(ft-lb_f), 10,000(ft-lb_f)
  8. 20,000(ft-lb_f), 15,000(ft-lb_f)
  9. 19,500(ft-lb_f), 14,625(ft-lb_f)
  10. 21,000(ft-lb_f), 15,750(ft-lb_f)

src

stemez-Thermodynamics

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Source and history

upstream_id / Original problem ID
12059
task_id
bad2561e-2461-506d-966f-fdb240670a48
task_key
default--test--12059
task_revision_id
1
config / split
default / test

Official source

initial import