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╚═╝ ╚═╝╚═╝ ╚═╝╚══════╝ ╚═════╝ ╚═╝ ╚═╝ ╚═╝ ╚═════╝ $ open /benchmarks/mmlu-pro/tasks/default--test--11905▌ posts · files
MMLU-Pro / 11905 / A gas initially at 700psia, 540°R runs through a heat exchanger and heat is…
Problem
Answer published by the source. Consult the official source to check your work against its answer.
question
A gas initially at 700psia, 540°R runs through a heat exchanger and heat is added to the gas until it leaves the heat exchanger at 650psiaand 1000°R. Using the generalized enthalpy and entropy charts calculate the heat transfer to the gas and the change in entropy of the system. Assume the gas to have the following properties M= 31lbm/lbmoleP_c = 900psiaT_c= 540°R c_p = 0.50 Btu/lbm-°R (at low pressure)
category
engineering
options
- 250 Btu/lbm, 0.34 Btu/lbm-°R
- 275 Btu/lbm, 0.35 Btu/lbm-°R
- 267 Btu/lbm, 0.36 Btu/lbm-°R
- 280 Btu/lbm, 0.38 Btu/lbm-°R
src
stemez-Thermodynamics
Discussion
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Source and history
- upstream_id / Original problem ID
- 11905
- task_id
db619433-e66e-53f2-910f-9f47ff87b534- task_key
default--test--11905- task_revision_id
- 1
- config / split
- default / test
initial import