Determine the internal stresses developed in bars JH and HY when bar JH experiences a change in temperature of -250•C. Bar JH is made of aluminum, while bar HY is made of steel. Both bars have the same cross-sectional area.

Determine the internal stresses developed in bars JH and HY when bar JH experiences a change in temperature of -250•C. Bar JH is made of aluminum, while bar HY is made of steel. Both bars have the same cross-sectional area.

Elements Of Electromagnetics

7th Edition

ISBN:9780190698614

Author:Sadiku, Matthew N. O.

Publisher:Sadiku, Matthew N. O.

ChapterMA: Math Assessment

Section: Chapter Questions

Problem 1.1MA

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Question

1. Determine the internal stresses developed in
bars JH and HY when bar JH experiences a
change in temperature of -250•C. Bar JH is
made of aluminum, while bar HY is made of
steel. Both bars have the same cross-sectional
area.
Note: Pin H is connected to a wheel that is restricted to
move along the inclined slope.
J
450
H
1 m
250
Y
2 m
Material
a (/°С)
E (GPa)
Steel
11.9 x 10-6
200
Aluminum
22.5 x 10-6
70

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