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[Post New]16 Jun 2008 16:05:53 IST
    Subject: stress and strain in heating a rod
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krishna.gopal (2672)

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Olaaa!! Perrrfect answer. 428  bad job dude!! I dont approve of this answer! 2  [698 rates]
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Strain = (Length of object-natural length)/natural length
as On heating the length increases to natural length (natural length at 20 degree is less than that at 50 degree) so there is no strain.
If there is no strain there is no stress.
Krishna Gopal Singh
B.Tech Chemical Engg
IIT Delhi 2002
Currently doing PhD from IIT Delhi
 this reply: 2 points  (with 0 Olaaa!! Perrrfect answer.   in 1 votes )   [?]
 
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