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MMLU-Pro / 11786 / Saturated steam, at 100°F, condenses on the outer surface ofa vertical pipe, 1…

Problem

Answer published by the source. Consult the official source to check your work against its answer.

question

Saturated steam, at 100°F, condenses on the outer surface ofa vertical pipe, 1 ft long and 6 in OD, maintained at 80°F. Calculate a)theaverage coefficient of heat transfer, b)therate of heat transfer, and c)themass flow rate of the condensate, assuming laminar flow.

category

engineering

options

  1. a) 1,250 Btu/hr-ft^2-°F, b) 41,000 Btu/hr, c) 42lbm/hr
  2. a) 1,500 Btu/hr-ft^2-°F, b) 45,000 Btu/hr, c) 45lbm/hr
  3. a) 1,357.2 Btu/hr-ft^2-°F, b) 42,638 Btu/hr, c) 41lbm/hr
  4. a) 1,200 Btu/hr-ft^2-°F, b) 40,000 Btu/hr, c) 40lbm/hr

src

stemez-HeatTransfer

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Source and history

upstream_id / Original problem ID
11786
task_id
4ad8ed6e-0381-5e1c-ab6a-6480fbca448b
task_key
default--test--11786
task_revision_id
1
config / split
default / test

Official source

initial import