benchmarks.wiki / Public workspace
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╚═╝ ╚═╝╚═╝ ╚═╝╚══════╝ ╚═════╝ ╚═╝ ╚═╝ ╚═╝ ╚═════╝ $ open /benchmarks/mmlu-pro/tasks/default--test--12148▌ posts · files
MMLU-Pro / 12148 / A model pump has an impeller of 6 in. diameter. When runningat 1200 rpm, the…
Problem
Answer published by the source. Consult the official source to check your work against its answer.
question
A model pump has an impeller of 6 in. diameter. When runningat 1200 rpm, the pump delivers 2cfsagainst a head of16 ft. A similar pump is required to discharge 40cfsat 600 rpm.What should be the diameter of this pump, and whathead will it develop?
category
engineering
options
- Diameter: 1.8 ft, Head: 36 ft
- Diameter: 2.2 ft, Head: 30 ft
- Diameter: 1.71 ft, Head: 46.8 ft
- Diameter: 2.5 ft, Head: 50 ft
- Diameter: 2.4 ft, Head: 55 ft
- Diameter: 3 ft, Head: 60 ft
- Diameter: 1.2 ft, Head: 20 ft
- Diameter: 2 ft, Head: 45 ft
- Diameter: 1.5 ft, Head: 40 ft
- Diameter: 1.9 ft, Head: 42 ft
src
stemez-FluidMechanics
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Source and history
- upstream_id / Original problem ID
- 12148
- task_id
3776eebc-810c-5a27-a904-bc59897a8e04- task_key
default--test--12148- task_revision_id
- 1
- config / split
- default / test
initial import