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Q2. A rod 200 cm long and of diameter 3 cm is subjected to an axial pull of 30 kN. If the Young's modulus of the material of the rod is 2 x 105 N/mm2, determine: (i) stress (ii) Strain and (iii) elongation of the rod.

Q2. A rod 200 cm long and of diameter 3 cm is subjected to an axial pull of 30 kN. If the Young's modulus of the material of the rod is 2 x 105 N/mm2, determine: (i) stress (ii) Strain and (iii) elongation of the rod.

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
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11:44 • HD 4G 46% Assignment 1.docx of a composite bar? Q2. A rod 200 cm long and of diameter 3 cm is subjected to an axial pull of 30 kN. If the Young's modulus of the material of the rod is 2 x 105 N/mm2, determine: (i) stress (ii) Strain and (iii) elongation of the rod. Q3. What is the procedure of finding thermal stresses in the composite bar? What do you mean by 'a bar of uniform strength'? Q4. A straight circular rod tapering from diameter 'D' at one end to a diameter 'd' at the other end is subjected to an axial load 'P'. Obtain an expression for the elongation of the rod. Q5. Two vertical rods one of steel and other of copper are rigidly fixed at the top and 60 cm a part. Diameters and the length of each rod are 3 cm and 3.5 cm respectively. A cross bar fixed to the rods at the lower ends catties a load of 6000N such that the cross bar remains horizontal even after loading. Find the stress in each rod and the position of the load on the bar. Take E for steel = 2 x 105 N/mm2 and for copper 105 N/mm2
Transcribed Image Text:11:44 • HD 4G 46% Assignment 1.docx of a composite bar? Q2. A rod 200 cm long and of diameter 3 cm is subjected to an axial pull of 30 kN. If the Young's modulus of the material of the rod is 2 x 105 N/mm2, determine: (i) stress (ii) Strain and (iii) elongation of the rod. Q3. What is the procedure of finding thermal stresses in the composite bar? What do you mean by 'a bar of uniform strength'? Q4. A straight circular rod tapering from diameter 'D' at one end to a diameter 'd' at the other end is subjected to an axial load 'P'. Obtain an expression for the elongation of the rod. Q5. Two vertical rods one of steel and other of copper are rigidly fixed at the top and 60 cm a part. Diameters and the length of each rod are 3 cm and 3.5 cm respectively. A cross bar fixed to the rods at the lower ends catties a load of 6000N such that the cross bar remains horizontal even after loading. Find the stress in each rod and the position of the load on the bar. Take E for steel = 2 x 105 N/mm2 and for copper 105 N/mm2
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