A

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Q. A piece of metal with a circular hole is heated. If the metal expands on heating the diameter of the hole will

  • (A) Increase
  • (B) Decrease
  • (C) Increase or decrease depending upon the diameter of the whole
  • (D) Increase or decrease depending on the kind of the metal
  • Correct Answer - Option(A)
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  • Filed under category Heat Transfer
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