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ternal diameter 20 mm. The tube is closed at each end with the help of rigid washers (of negligible ickness) which are screwed by the nuts. The nuts are tightened until the compressive load on the opper tube is 50 kN. Determine the stresses in the rod and the tube, when the temperature of whole sembly falls by 50°C. Take E, = 200 GPa ; E = 100 GPa ; a, = 12 x 10/°C and oa = 18 x 10/°C.

ternal diameter 20 mm. The tube is closed at each end with the help of rigid washers (of negligible ickness) which are screwed by the nuts. The nuts are tightened until the compressive load on the opper tube is 50 kN. Determine the stresses in the rod and the tube, when the temperature of whole sembly falls by 50°C. Take E, = 200 GPa ; E = 100 GPa ; a, = 12 x 10/°C and oa = 18 x 10/°C.

Elements Of Electromagnetics
Elements Of Electromagnetics
7th Edition
ISBN:9780190698614
Author:Sadiku, Matthew N. O.
Publisher:Sadiku, Matthew N. O.
ChapterMA: Math Assessment
Section: Chapter Questions
Problem 1.1MA
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A steel rod of 20 mm diameter passes centrally through a copper tube of external diameter 40 mm and internal diameter 20 mm. The tube is closed at each end with the help of rigid washers (of negligible thickness) which are screwed by the nuts. The nuts are tightened until the compressive load on the copper tube is 50 kN. Determine the stresses in the rod and the tube, when the temperature of whole assembly falls by 50°C. Take E, = 200 GPa ; E, = 100 GPa ; o, = 12 x 106/°C and a = 18 x 10/C.
Transcribed Image Text:A steel rod of 20 mm diameter passes centrally through a copper tube of external diameter 40 mm and internal diameter 20 mm. The tube is closed at each end with the help of rigid washers (of negligible thickness) which are screwed by the nuts. The nuts are tightened until the compressive load on the copper tube is 50 kN. Determine the stresses in the rod and the tube, when the temperature of whole assembly falls by 50°C. Take E, = 200 GPa ; E, = 100 GPa ; o, = 12 x 106/°C and a = 18 x 10/C.
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