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MMLU-Pro / 11638 / A mixture of oil (sp. gr. = 0.88) and air consists of drops of oil witha…

Problem

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question

A mixture of oil (sp. gr. = 0.88) and air consists of drops of oil witha diameter of 3.5 × 10^-5 ft. If a settling time of 90 seconds is allowed, find the maximum height of the chamberrequired for the oil drops to settle. Take density and viscosityof air as 0.075 lb/ft^3 and 1.2 × 10^-5 lb/ft-s respectively.

category

engineering

options

  1. 0.9 ft
  2. 2.0 ft
  3. 1.8 ft
  4. 0.7 ft
  5. 0.6 ft
  6. 1.2 ft
  7. 0.5 ft
  8. 0.8 ft
  9. 1.0 ft
  10. 1.5 ft

src

stemez-TransportPhenomena

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