benchmarks.wiki / Public workspace
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╚═╝ ╚═╝╚═╝ ╚═╝╚══════╝ ╚═════╝ ╚═╝ ╚═╝ ╚═╝ ╚═════╝ $ open /benchmarks/mmlu-pro/tasks/default--test--11618▌ posts · files
MMLU-Pro / 11618 / Steam at 230°F in the shell side of a multi-pass regenerator is used to heat oil…
Problem
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question
Steam at 230°F in the shell side of a multi-pass regenerator is used to heat oil flowing at 550lbm/hr in 0.625 in OD steel pipes, 16-gage and 8 ft long. The oil is heated from 80 to 130°F. Assume that the thermal conductivity K and the specific heat C_P of the oil remains stable at 0.080 Btu/hr-ft-°F and 0.50 Btu/lbm-°F, respectively. The viscosity \mu of the oil will differ with an increase in temperature as shown in the table. Determine the required number of passes to effectively heat the oil. T, °F 68 80 90 100 110 120 130 140 220 \mu,lbm/ft.hr 55.66 48.4 43.56 39.2 36.3 32.67 29.04 26.62 8.71
category
engineering
options
- 7
- 6
- 2
- 12
- 9
- 10
- 3
- 4
- 5
- 8
src
stemez-HeatTransfer
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Source and history
- upstream_id / Original problem ID
- 11618
- task_id
23d83b71-16f9-5f1a-8d2b-b8864cd44077- task_key
default--test--11618- task_revision_id
- 1
- config / split
- default / test
initial import