benchmarks.wiki / Public workspace
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╚═╝ ╚═╝╚═╝ ╚═╝╚══════╝ ╚═════╝ ╚═╝ ╚═╝ ╚═╝ ╚═════╝ $ open /benchmarks/mmlu-pro/tasks/default--test--12157▌ posts · files
MMLU-Pro / 12157 / A 250-kw 230-volt compound generator is delivering 800 amp at 230 volts. The…
Problem
Answer published by the source. Consult the official source to check your work against its answer.
question
A 250-kw 230-volt compound generator is delivering 800 amp at 230 volts. The shunt-field current is 12 amp. The armature resistance is 0.007 ohm, and the series-field resistance is 0.002 ohm. The stray power at this load is 5,500 watts. The generator is connected long-shunt. Determine generator efficiency at this load.
category
engineering
options
- 95.0%
- 91.7%
- 89.5%
- 93.5%
- 90.0%
- 87.3%
- 86.0%
- 94.2%
- 88.0%
- 92.0%
src
stemez-ElectricalMachines
Discussion
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Source and history
- upstream_id / Original problem ID
- 12157
- task_id
f72bd32f-0667-5507-b3cc-8b21c861c391- task_key
default--test--12157- task_revision_id
- 1
- config / split
- default / test
initial import