12. A composite bar made up of aluminium bar and steel bar, is firmly held between two unyielding supports as shown in Fig. 4.22. B Steel A Aluminium 200 kN -- 1000 mm² 1500 mm? E 100 mm- - 150 mm Fig. 4.22 An axial load of 200 kN is applied at B at 47°C. Find the stresses in each material, when the temperature is 97°C. Take E, = 70 GPa ; E, = 210 GPa ; a, = 24 x 106°C and a, = 12 x 10/°C. [Ans. 60.3 MPa; 173.5 MPa|

12. A composite bar made up of aluminium bar and steel bar, is firmly held between two unyielding supports as shown in Fig. 4.22. B Steel A Aluminium 200 kN -- 1000 mm² 1500 mm? E 100 mm- - 150 mm Fig. 4.22 An axial load of 200 kN is applied at B at 47°C. Find the stresses in each material, when the temperature is 97°C. Take E, = 70 GPa ; E, = 210 GPa ; a, = 24 x 106°C and a, = 12 x 10/°C. [Ans. 60.3 MPa; 173.5 MPa|

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

12. A composite bar made up of aluminium bar and steel bar, is firmly held between two unyielding
supports as shown in Fig. 4.22.
B
Steel
A Aluminium
200 kN
-- 1000 mm²
1500 mm?
E 100 mm-
- 150 mm
Fig. 4.22
An axial load of 200 kN is applied at B at 47°C. Find the stresses in each material, when the
temperature is 97°C. Take E, = 70 GPa ; E, = 210 GPa ; a, = 24 x 106°C and a, = 12 x 10/°C.
[Ans. 60.3 MPa; 173.5 МPа]|

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