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Discussion :: Fluid Mechanics

  1. A bed of spherical particles (specific gravity 2.5) of uniform size 1500 μm is 0.5 m in diameter and 0.5 m high. In packed bed state, the porosity may be taken as 0.4. Ergun's equation for the above fluid-particle system (in SI units) is given below :
    Δ P/L = 375 x 103 VOM + 10.94 x 106 V2OM (SI units)
    If water is to be used as the fluidising medium, in actual operation, the above bed has a height = 1 m. What is the porosity of the fluidised bed ?

    2. A.
    0.2
    B.
    0.5
    C.
    0.7
    D.
    0.8

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    Answer : Option C

    Explanation :

    No answer description available for this question.

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