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  • May 9, 2012, 03:56 AM
    ahsan javed
    Heating and cooling questions
    What is bimetallic strip? And where it is used?
  • May 9, 2012, 03:59 AM
    ahsan javed
    Bimetallic is a strip made up of two metals,iron and brass.brass expand more than iron when it is heated.it is used in iron.
  • May 9, 2012, 04:01 AM
    ahsan javed
    Heating and cooling
    Describe thermal expansion and contraction of gases?

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