benchmarks.wiki / Public workspace
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╚═╝ ╚═╝╚═╝ ╚═╝╚══════╝ ╚═════╝ ╚═╝ ╚═╝ ╚═╝ ╚═════╝ $ open /benchmarks/mmlu-pro/tasks/default--test--11535▌ posts · files
MMLU-Pro / 11535 / Twocounterflowheat exchangers connected in series are used to heat 283.2 L^3/sec…
Problem
Answer published by the source. Consult the official source to check your work against its answer.
question
Twocounterflowheat exchangers connected in series are used to heat 283.2 L^3/sec of air from 22°C to 30°C, using water at 35°C. Determine the effectiveness and the quantity UA for each exchanger.
category
engineering
options
- Effectiveness = 0.700, UA = 250 W/°C
- Effectiveness = 0.825, UA = 400 W/°C
- Effectiveness = 0.480, UA = 175 W/°C
- Effectiveness = 0.540, UA = 290 W/°C
- Effectiveness = 0.375, UA = 150 W/°C
- Effectiveness = 0.615, UA = 324 W/°C
- Effectiveness = 0.444, UA = 162 W/°C
- Effectiveness = 0.5, UA = 200 W/°C
- Effectiveness = 0.650, UA = 210 W/°C
- Effectiveness = 0.955, UA = 339.5 W/°C
src
stemez-HeatTransfer
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Source and history
- upstream_id / Original problem ID
- 11535
- task_id
a4ae95ab-563b-5e99-ac7a-15b9bf9a1e63- task_key
default--test--11535- task_revision_id
- 1
- config / split
- default / test
initial import