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MMLU-Pro / 11875 / A zincmineral slurry consists of ore particles and water in thevolumetric ratio…

Problem

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question

A zincmineral slurry consists of ore particles and water in thevolumetric ratio of 1 : 3. The volumetric ratio of zinc mineral(sp. gr. = 3.8) to ore particles (sp. gr. = 2.6) is 0.2. The mineral particles are 0.007 in. in diameter. If the particlesof zinc mineral are settling under gravity, determine theterminal velocity of the particles. Take viscosity of water as\mu = 8.1 × 10^-4 lb/ft-s.

category

engineering

options

  1. 0.030 ft/s
  2. 0.060 ft/s
  3. 0.045 ft/s
  4. 0.050 ft/s
  5. 0.035 ft/s
  6. 0.065 ft/s
  7. 0.055 ft/s
  8. 0.020 ft/s
  9. 0.039 ft/s
  10. 0.025 ft/s

src

stemez-TransportPhenomena

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