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MMLU-Pro / 11864 / Consider a solid naphthalene plate suspended vertically in pure air at 1atmand…

Problem

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

question

Consider a solid naphthalene plate suspended vertically in pure air at 1atmand is entirely free from forced convection. Determine: (a) the average coefficient of mass transfer over the first 1.5 ft down the plate (b) the average mass transfer rate over 1.5 ft from the upper edge (c) the local coefficient of mass transfer at 1.5 ft from the upper edge of the plate (d) the local concentration gradient at the surface of the plate at 1.5 ft below the upper edge (e) the local thickness of the momentum and concentration boundary layers at 1.5 ft below the upper edge of the plate (f) the maximum velocity in the boundary layer at 1.5 ft from the upper edge of the plate The temperature of the system is 115°F.

category

engineering

options

  1. 6.3 ft/hr, 0.0028 lb/hr, 4.9 ft/hr, -0.0033lb_m/ft^4, 0.113 ft, 0.091 ft/sec
  2. 6.05 ft/hr, 0.0031 lb/hr, 4.6 ft/hr, -0.0038lb_m/ft^4, 0.120 ft, 0.092 ft/sec
  3. 6.5 ft/hr, 0.0035 lb/hr, 4.7 ft/hr, -0.0035lb_m/ft^4, 0.110 ft, 0.095 ft/sec
  4. 5.8 ft/hr, 0.0030 lb/hr, 4.2 ft/hr, -0.0041lb_m/ft^4, 0.115 ft, 0.094 ft/sec
  5. 6.1 ft/hr, 0.0034 lb/hr, 4.8 ft/hr, -0.0036lb_m/ft^4, 0.123 ft, 0.089 ft/sec
  6. 5.67 ft/hr, 0.0035 lb/hr, 4.0 ft/hr, -0.004 lb_m/ft^4, 0.129 ft, 0.098 ft/sec
  7. 5.9 ft/hr, 0.0031 lb/hr, 3.9 ft/hr, -0.0043lb_m/ft^4, 0.122 ft, 0.096 ft/sec
  8. 5.5 ft/hr, 0.0032 lb/hr, 3.8 ft/hr, -0.0042lb_m/ft^4, 0.125 ft, 0.090 ft/sec
  9. 6.067 ft/hr, 0.00306 lb/hr, 4.55 ft/hr, -0.00374lb_m/ft^4, 0.1199 ft, 0.0938 ft/sec
  10. 6.2 ft/hr, 0.0029 lb/hr, 4.3 ft/hr, -0.0039lb_m/ft^4, 0.117 ft, 0.097 ft/sec

src

stemez-TransportPhenomena

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Source and history

upstream_id / Original problem ID
11864
task_id
e20490ce-e613-5194-950f-700afba3cbcf
task_key
default--test--11864
task_revision_id
1
config / split
default / test

Official source

initial import