Answers

2015-09-13T08:16:22+05:30


 If heated, the piece of brass removed from the hole will expand whether it is removed or whether it is left in the plate. If left in the plate you can remove it after the plate has been heated. The hole that is left has expanded as much as the piece of brass which is removed

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2015-09-13T12:22:53+05:30
The size of the hole will increase as substances expand on heating.
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