benchmarks.wiki / Public workspace
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╚═╝ ╚═╝╚═╝ ╚═╝╚══════╝ ╚═════╝ ╚═╝ ╚═╝ ╚═╝ ╚═════╝ $ open /benchmarks/mmlu-pro/tasks/default--test--12070▌ posts · files
MMLU-Pro / 12070 / A 5-kva transformer is supplying a lighting load; it would, in a normalday's…
Problem
Answer published by the source. Consult the official source to check your work against its answer.
question
A 5-kva transformer is supplying a lighting load; it would, in a normalday's run, operate at full load 1% hours and perhaps athalf load 1(1/2) hours?duringthe rest of the day there wouldbe no load on the transformer. The iron loss is 200 watts and the full-load copper loss (I^2R)is200 watts. Find the all-day efficiency of the transformer.
category
engineering
options
- 75%
- 90%
- 80%
- 68.5%
src
stemez-ElectricalMachines
Discussion
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Source and history
- upstream_id / Original problem ID
- 12070
- task_id
5a569ff1-14e3-5ed2-8492-ead3425e86a2- task_key
default--test--12070- task_revision_id
- 1
- config / split
- default / test
initial import