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MMLU-Pro / 11538 / A flat plate is cooled by a flow of air, with the transfer of heat accomplished…

Problem

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

question

A flat plate is cooled by a flow of air, with the transfer of heat accomplished by means of forced convection. The air is measured at a speed of 33 ft/sec, and has a temperature and pressure of 68°F and 1 atm, respectively. The temperature distribution across the plate is as follows: from0-2 in. T = 122°F 2-3.2 in.176°F 3.2-4.75 in. 212°F At a point 4 in. from the leading edge, calculate the heat flow per unit time and area. Also, find the local heat transfer coefficient.

category

engineering

options

  1. 1590 Btu/hr-ft^2, 11.04 Btu/hr-ft^2-°F
  2. 1400 Btu/hr-ft^2, 10.50 Btu/hr-ft^2-°F
  3. 1500 Btu/hr-ft^2, 10.00 Btu/hr-ft^2-°F
  4. 1700 Btu/hr-ft^2, 12.00 Btu/hr-ft^2-°F

src

stemez-HeatTransfer

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Source and history

upstream_id / Original problem ID
11538
task_id
64991212-7685-5196-b8df-10440948828b
task_key
default--test--11538
task_revision_id
1
config / split
default / test

Official source

initial import