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╚═╝ ╚═╝╚═╝ ╚═╝╚══════╝ ╚═════╝ ╚═╝ ╚═╝ ╚═╝ ╚═════╝ $ open /benchmarks/mmlu-pro/tasks/default--test--11725▌ posts · files
MMLU-Pro / 11725 / A centrifugal fan with an efficiency of 60% is used to pump fluegas at a rate of…
Problem
Answer published by the source. Consult the official source to check your work against its answer.
question
A centrifugal fan with an efficiency of 60% is used to pump fluegas at a rate of 150cfs. The flue gas (mol. wt. = 31.5, molarspecific volume = 378.5 ft^3/lbmol) is initially at rest at 220°F and 28.5 in.Hg.At the exit of the fan, the flue gas is at a pressure of 31.0 in. of Hg and a velocity of 170 ft/s. Determine the power needed to drive the fan.
category
engineering
options
- 17.92 hp
- 13.81 hp
- 25.76 hp
- 8.67 hp
- 20.45 hp
- 12.03 hp
- 22.54 hp
- 15.37 hp
- 18.29 hp
- 10.25 hp
src
stemez-TransportPhenomena
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Source and history
- upstream_id / Original problem ID
- 11725
- task_id
748f399c-438a-5f59-910f-2046ad140c02- task_key
default--test--11725- task_revision_id
- 1
- config / split
- default / test
initial import