2.75 A steel rod is stretched between two wals. At 20°C, the tensile force in the rod is 5000 N. If the stress is not to exceed 130 MPa at –20°C, find the minimum allowable diameter of the rod. Use a = 11.7 × 10-6/°C and E = 200 GPa. %3D

2.75 A steel rod is stretched between two wals. At 20°C, the tensile force in the rod is 5000 N. If the stress is not to exceed 130 MPa at –20°C, find the minimum allowable diameter of the rod. Use a = 11.7 × 10-6/°C and E = 200 GPa. %3D

Elements Of Electromagnetics

7th Edition

ISBN:9780190698614

Author:Sadiku, Matthew N. O.

Publisher:Sadiku, Matthew N. O.

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Topic - Thermal Stress

2.75 A steel rod is stretched between two walls. At 20°C, the tensile force in the
rod is 5000 N. If the stress is not to exceed 130 MPa at -20°C, find the minimum
allowable diameter of the rod. Use a = 11.7 x 10-6°C and E = 200 GPa.

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