2.90 The compound bar, composed of the three segments shown, is initially stress- free. Compute the stress in each material if the temperature drops 25°C. Assume that the walls do not yield and use the following data: A (mm?) a (FC) E (GPa) Bronze segment 2000 19.0 × 10-6 83 Aluminum segment 1400 23.0 x 10-6 70 Steel segment 800 11.7× 10- 200 +-500 mm→-400 mm- – 800 mm - Bronze Aluminum Steel FIG. P2.90

2.90 The compound bar, composed of the three segments shown, is initially stress- free. Compute the stress in each material if the temperature drops 25°C. Assume that the walls do not yield and use the following data: A (mm?) a (FC) E (GPa) Bronze segment 2000 19.0 × 10-6 83 Aluminum segment 1400 23.0 x 10-6 70 Steel segment 800 11.7× 10- 200 +-500 mm→-400 mm- – 800 mm - Bronze Aluminum Steel FIG. P2.90

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

2.90 The compound bar, composed of the three segments shown, is initially stress-
free. Compute the stress in each material if the temperature drops 25°C. Assume that
the walls do not yield and use the following data:
A (mm²)
a (FC)
E (GPa)
Bronze segment
2000
19.0 x 10-6
83
Aluminum segment
1400
23.0 x 10-6
70
Steel segment
800
11.7× 10-6
200
- 800 mm -
-500 mm→|-400 mm-
Aluminum
Steel
Bronze
FIG. P2.90

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