A A rigid bar AB hinged at A and attached to brass bar as shown below....

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A A rigid bar AB hinged at A and attached to brass bar as shown below. If temperature of brass bar decreases by 30C. The compression at joint B is (Take E=0.9x105 N/mm and =2010/K for brass). 700 kN 0.3 m (A) 3.82 mm (C) 4.18 mm C A = 250 mm 0.3 m 0.4 m (B) 4.25 mm (D) 3.20 mm B A A rigid bar AB hinged at A and attached to brass bar as shown below. If temperature of brass bar decreases by 30C. The compression at joint B is (Take E=0.9x105 N/mm and =2010/K for brass). 700 kN 0.3 m (A) 3.82 mm (C) 4.18 mm C A = 250 mm 0.3 m 0.4 m (B) 4.25 mm (D) 3.20 mm B

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