benchmarks.wiki / Public workspace
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╚═╝ ╚═╝╚═╝ ╚═╝╚══════╝ ╚═════╝ ╚═╝ ╚═╝ ╚═╝ ╚═════╝ $ open /benchmarks/mmlu-pro/tasks/default--test--11823▌ posts · files
MMLU-Pro / 11823 / Air at an initial state of 100 psia and 800°R is expanded in a cylinder to a…
Problem
Answer published by the source. Consult the official source to check your work against its answer.
question
Air at an initial state of 100 psia and 800°R is expanded in a cylinder to a final pressure of 10 psia, along a polytropic path with n = 1.3. Assuming the process to be adiabatic, and air to behave as an ideal gas, calculate the friction of the process per lbm of air.
category
engineering
options
- 34.2 Btu/lbm
- 24.3 Btu/lbm
- 100.5 Btu/lbm
- 18.8 Btu/lbm
- 75.4 Btu/lbm
- 470 Btu/lbm
- 41.9 Btu/lbm
- 63.5 Btu/lbm
- 56.6 Btu/lbm
- 82.7 Btu/lbm
src
stemez-Thermodynamics
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Source and history
- upstream_id / Original problem ID
- 11823
- task_id
1ba673e9-e90a-52ad-a326-d9fe1ae7dbe5- task_key
default--test--11823- task_revision_id
- 1
- config / split
- default / test
initial import