Engineering question? please help!

Posted on 1970-01-01 00:00:00 in Engineering by KEVIN

A 250mm long brass bar (CTE = 20.5*10^-6/C) is setup as shown below. Initially, when the temperature is15C, there is a 0.25mm clearance between the right end (left end is secured to the left side support) of the bar and the right side support as shown.

At what temperature, the end of the bar will be in contact with the frame?

When temperature of the bar rises to 100C, is there any stress developed in the bar?

If yes, what is its magnitude?

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