i) Absolute maximum shear stress in AB Ans (TAB)mar 28.64 GPa 400 mm ii) Absolute maximum shear stress in BC Ans (TRC)mar= 2.39 GPa iii) Absolute maximum shear stress in CD Ans (TCD)max5.77 GPa iv) Absolute maximum shear stress in DE Ans (TpE)max 1.84 GPa

Elements Of Electromagnetics
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Author:Sadiku, Matthew N. O.
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EXERCISE 4
BY
NC
ND
T 45 kN.m
200mm
dAB = 20mm
Figure shows a composite rod structure subjected to
torsional loadings. AB and DE are solid rod made from
Tg= 15 kN.m
dBc = 40mm
aluminium (Ga 27 GPa). Rod BD is made from brass alloy
150 mm
(G= 39 GPa) consists of two portions (solid portion BC and
br
150 mm
hollow portion for CD) with inner and outer diameter of 35
mm and 40 mm respectively. Determine;
Tp= 30 kN.m
i)
Absolute maximum shear stress in AB
Ans (TAB)max 28.64 GPa
400 mm
ii) Absolute maximum shear stress in BC
dDE = 55mm
Ans (TBC)max 2.39 GPa
iii) Absolute maximum shear stress in CD
Ans (TCD)max 5.77 GPa
iv) Absolute maximum shear stress in DE Ans (TpE)max= 1.84 GPa
Transcribed Image Text:EXERCISE 4 BY NC ND T 45 kN.m 200mm dAB = 20mm Figure shows a composite rod structure subjected to torsional loadings. AB and DE are solid rod made from Tg= 15 kN.m dBc = 40mm aluminium (Ga 27 GPa). Rod BD is made from brass alloy 150 mm (G= 39 GPa) consists of two portions (solid portion BC and br 150 mm hollow portion for CD) with inner and outer diameter of 35 mm and 40 mm respectively. Determine; Tp= 30 kN.m i) Absolute maximum shear stress in AB Ans (TAB)max 28.64 GPa 400 mm ii) Absolute maximum shear stress in BC dDE = 55mm Ans (TBC)max 2.39 GPa iii) Absolute maximum shear stress in CD Ans (TCD)max 5.77 GPa iv) Absolute maximum shear stress in DE Ans (TpE)max= 1.84 GPa
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