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A brass disc fits simply in a hole of steel plate. The disc from the hole can be lossenned if the system is
*First heated then cooled or
*First cooled then heated
*Is heated
*Is cooled

Asked by Umesh 27th October 2017, 10:36 AM
Answered by Expert
Repeated question. answered already
Answered by Expert 27th October 2017, 1:03 PM
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