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  4. General Science & Technology
  5. Heat

Railways General Science & Technology Heat Sample Paper Heat Sample Test Paper-4

  • question_answer
    A metal sheet with a circular hole is heated. The hole

    A)  gets larger

    B)  gets smaller

    C)  Remains of the same size

    D)  Gets deformed

    Correct Answer: A

    Solution :

    [a] The area of circular hole increases when we heat the metal sheet & expansion of metal sheet will be independent of shape & size of the hole.


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