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GATE BT 2025 | Question: 34

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​​​​For a specific bioreactor configuration, the power requirement for a Rushton-turbine impeller agitating an unaerated Newtonian fluid in the turbulent regime will be

  1. proportional to the stirring speed of the impeller
  2. proportional to the square of the stirring speed of the impeller
  3. proportional to the cube of the stirring speed of the impeller
  4. inversely proportional of the stirring speed of the impeller

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