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Fat can be separated from milk in a cream separator because of:

  • A.Gravitational force
  • B.Cohesive force
  • C.Centrifugal force
  • D.None of these

Answer: C

A cream separator works by centrifugal force. Spinning the milk at high speed throws the denser skim milk to the outside of the bowl while the lighter fat globules collect nearer the axis, and the two are drawn off separately.

Gravity separates cream too, but far more slowly - the centrifuge does in seconds what standing does in hours.

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