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Find the stresses in each section and total change in length of the bar as shown in figure.  The bar is subjected to an axial pull of 24 kN.  Take the diameter of section 1 as 56 mm, length L1 as 44 mm, ,the dimensions of section 2 as 65 mm x 63 mm, L2 as 16 mm, section 3 is a square of size 30 mm,  length L3 as 50 mm.  Also take the Young’s modulus of sections as E1 = 2.1x105 N/mm2, E2 = 1.1x105 N/mm2, E3 = 0.75x105 N/mm2

Find the stresses in each section and total change in length of the bar as shown in figure.  The bar is subjected to an axial pull of 24 kN.  Take the diameter of section 1 as 56 mm, length L1 as 44 mm, ,the dimensions of section 2 as 65 mm x 63 mm, L2 as 16 mm, section 3 is a square of size 30 mm,  length L3 as 50 mm.  Also take the Young’s modulus of sections as E1 = 2.1x105 N/mm2, E2 = 1.1x105 N/mm2, E3 = 0.75x105 N/mm2

Principles of Heat Transfer (Activate Learning with these NEW titles from Engineering!)
Principles of Heat Transfer (Activate Learning with these NEW titles from Engineering!)
8th Edition
ISBN:9781305387102
Author:Kreith, Frank; Manglik, Raj M.
Publisher:Kreith, Frank; Manglik, Raj M.
Chapter2: Steady Heat Conduction
Section: Chapter Questions
Problem 2.10P
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Find the stresses in each section and total change in length of the bar as shown in figure.  The bar is subjected to an axial pull of 24 kN.  Take the diameter of section 1 as 56 mm, length L1 as 44 mm, ,the dimensions of section 2 as 65 mm x 63 mm, L2 as 16 mm, section 3 is a square of size 30 mm,  length L3 as 50 mm.  Also take the Young’s modulus of sections as E1 = 2.1x105 N/mm2, E2 = 1.1x105 N/mm2, E3 = 0.75x105 N/mm2 

(i) Stress in section 1 (unit in N/mm2) is = 

Answer for part 1

(ii)  Stress in section 2 (unit in N/mm2) is = 

Answer for part 2

(iii)  Stress in section 3 (unit in N/mm2) is = 

Answer for part 3

(iv) Total Change in length of the given bar (unit in mm) is = 

P Sec1 Sec2 Sec3 L1 L2 P L3
Transcribed Image Text:P Sec1 Sec2 Sec3 L1 L2 P L3
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