the cross-sectional area of the bar 1 of the two bars supported on the left and right sides is 1.2 cm^2, the coefficient of thermal expansion is 20.9 10^(-6)/K; The cross-sectional area of bar 2 is 3 cm^2 and its coefficient of thermal expansion is 25.4 10^(-6)/K. Since the modulus of elasticity of the material is 207 GPa, these two bars are heated to 99 °C. a) What will be the change in length (mm) of bar 1? b) What is the stress in bar 1 in MPa? c) What is the stress in bar 2 in MPa?
the cross-sectional area of the bar 1 of the two bars supported on the left and right sides is 1.2 cm^2, the coefficient of thermal expansion is 20.9 10^(-6)/K; The cross-sectional area of bar 2 is 3 cm^2 and its coefficient of thermal expansion is 25.4 10^(-6)/K. Since the modulus of elasticity of the material is 207 GPa, these two bars are heated to 99 °C. a) What will be the change in length (mm) of bar 1? b) What is the stress in bar 1 in MPa? c) What is the stress in bar 2 in MPa?
Chapter2: Loads On Structures
Section: Chapter Questions
Problem 1P
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the cross-sectional area of the bar 1 of the two bars supported on the left and right sides is 1.2 cm^2, the coefficient of thermal expansion is 20.9 10^(-6)/K; The cross-sectional area of bar 2 is 3 cm^2 and its coefficient of thermal expansion is 25.4 10^(-6)/K. Since the modulus of elasticity of the material is 207 GPa, these two bars are heated to 99 °C.
a) What will be the change in length (mm) of bar 1?
b) What is the stress in bar 1 in MPa?
c) What is the stress in bar 2 in MPa?
![4.
AT = 99 °C
(2
13.3 m
7.8 m
Sol ve sağ tarafindan mesnetlenmiş iki çubuktan 1 no'lu çubuğun kesit alanı 1.2 cm², isıl genleşme katsayısı 20.9 10-6/K; 2
no'lu çubuğun kesit alanı 3 cm? ve isıl genleşme katsayısı 25.4 10-6/K'dir. Malzeme elastisite modülleri de 207 GPa
olduğuna göre bu iki çubuk 99 C isıtıldığında:
1 no'lu çubuğun boy değişimi [mm] cinsinden ne olur?
1 no'lu çubuktaki gerilme kaç MPa'dır?
2 no'lu çubuktaki gerilme kaç MPa'dır?](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2Fc3e0a873-fc89-47ab-9ffd-26bd67ceb49c%2Fafa0a7f3-af5d-493a-9a5f-484bbd3e18cd%2F6s7ljif_processed.png&w=3840&q=75)
Transcribed Image Text:4.
AT = 99 °C
(2
13.3 m
7.8 m
Sol ve sağ tarafindan mesnetlenmiş iki çubuktan 1 no'lu çubuğun kesit alanı 1.2 cm², isıl genleşme katsayısı 20.9 10-6/K; 2
no'lu çubuğun kesit alanı 3 cm? ve isıl genleşme katsayısı 25.4 10-6/K'dir. Malzeme elastisite modülleri de 207 GPa
olduğuna göre bu iki çubuk 99 C isıtıldığında:
1 no'lu çubuğun boy değişimi [mm] cinsinden ne olur?
1 no'lu çubuktaki gerilme kaç MPa'dır?
2 no'lu çubuktaki gerilme kaç MPa'dır?
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