benchmarks.wiki / Public workspace
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╚═╝ ╚═╝╚═╝ ╚═╝╚══════╝ ╚═════╝ ╚═╝ ╚═╝ ╚═╝ ╚═════╝ $ open /benchmarks/mmlu-pro/tasks/default--test--11986▌ posts · files
MMLU-Pro / 11986 / Air at 150 1bf / in^2, 150°F and a velocity of 300 ft/sec is expandedin a gas…
Problem
Answer published by the source. Consult the official source to check your work against its answer.
question
Air at 150 1bf / in^2, 150°F and a velocity of 300 ft/sec is expandedin a gas turbine and leaves at 50 1bf/in^2, 40°F and 200 ft/sec. Assuming no heat losses and air to be an ideal gaswith constant specific heats, calculate the reversible workper pound of air done, and the actual work done by the turbine.
category
engineering
options
- Reversible work: 42.2 Btu/1bm, Actual work: 27.4 Btu/1bm
- Reversible work: 15.0 Btu/lbm, Actual work: 20.0 Btu/lbm
- Reversible work: 30.5 Btu/lbm, Actual work: 15.3 Btu/lbm
- Reversible work: 18.7 Btu/lbm, Actual work: 25.2 Btu/lbm
- Reversible work: 50.0 Btu/lbm, Actual work: 32.5 Btu/lbm
- Reversible work: 26.4 Btu/1bm, Actual work: 42.2 Btu/1bm
- Reversible work: 14.8 Btu/1bm, Actual work: 1.0 Btu/1bm
- Reversible work: 27.4 Btu/1bm, Actual work: 42.2 Btu/1bm
- Reversible work: 22.5 Btu/lbm, Actual work: 35.0 Btu/lbm
- Reversible work: 35.0 Btu/lbm, Actual work: 22.0 Btu/lbm
src
stemez-Thermodynamics
Discussion
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Source and history
- upstream_id / Original problem ID
- 11986
- task_id
ffb86601-c14b-5798-a51d-f86991db3fbf- task_key
default--test--11986- task_revision_id
- 1
- config / split
- default / test
initial import