A rigid bar ABC is pinned at A and is connected by a steel bar CE and a copper bar BD as shown in Fig. If the temperature of the whole assembly is raised by 40°C, find the stresses induced in steel and copper rods. Given: For steel bar 400 mm² 2x105 N/mm2 For copper bar 600mm² 1x105 N/mm² Area Modulus of elasticity Coefficient of thermal expansion 12x10-6/C 18x106/°C 1m B T 1m Steel H 0.8m Copper D 0.6m E

Elements Of Electromagnetics
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A rigid bar ABC is pinned at A and is connected by a steel bar CE and a
copper bar BD as shown in Fig. If the temperature of the whole assembly is
raised by 40°C, find the stresses induced in steel and copper rods. Given:
Area
Modulus of elasticity
Coefficient of thermal expansion 12x10-6/°C
1m
B
For steel bar
400 mm²
2x105 N/mm²
0.8m
1m
Steel
-Copper
For copper bar
600mm²
1x105 N/mm²
18x10-6/°C
C
0.6m
E
Transcribed Image Text:A rigid bar ABC is pinned at A and is connected by a steel bar CE and a copper bar BD as shown in Fig. If the temperature of the whole assembly is raised by 40°C, find the stresses induced in steel and copper rods. Given: Area Modulus of elasticity Coefficient of thermal expansion 12x10-6/°C 1m B For steel bar 400 mm² 2x105 N/mm² 0.8m 1m Steel -Copper For copper bar 600mm² 1x105 N/mm² 18x10-6/°C C 0.6m E
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