3. The figure as shown below is a rigid bar which is supported by two rods and a pin support. If the said connections is stress- free, determine the increase or decrease of the temperature in degrees Celsius that will resulted with a tensile stress of 49 mPa for the brass rod. Brass L= 2 m A = 1200 mm? E = 100 GPa C a = 18,7 x 10-6/°C В 3 m 2 m Copper L= 3 m A = 1500 mm? E = 120 GPa a = 16.8 x 10-6/°C Note: Neglect the weight of the bar and assumes that the two rods will subjected to same temperature change

3. The figure as shown below is a rigid bar which is supported by two rods and a pin support. If the said connections is stress- free, determine the increase or decrease of the temperature in degrees Celsius that will resulted with a tensile stress of 49 mPa for the brass rod. Brass L= 2 m A = 1200 mm? E = 100 GPa C a = 18,7 x 10-6/°C В 3 m 2 m Copper L= 3 m A = 1500 mm? E = 120 GPa a = 16.8 x 10-6/°C Note: Neglect the weight of the bar and assumes that the two rods will subjected to same temperature change

Structural Analysis

6th Edition

ISBN:9781337630931

Author:KASSIMALI, Aslam.

Publisher:KASSIMALI, Aslam.

Chapter2: Loads On Structures

Section: Chapter Questions

Problem 1P

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