strength secaned 2015 first sim..pdf

strength secaned 2015 first sim..pdf - 9965 hmaduermbsfompq...

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Unformatted text preview: ‘9‘96‘5‘ hmadfiuermflbsfompfiq ofe square lug mnthsaiB _ 7 _ __ with shear modulus of aléStlcfly =75 6W. _-—‘_'—‘ Q. 1 The maximum sharks (In We) In the arm M It 1.} thelugnutis: 3) 165344 b)150.313--d}1‘12&lfi?5 WWW ) (6:329423 _ 3151:- tat-4,1 1::1- a) 4.39 b) 3.93 c) 4.33 1. TL— “4’61?- 6 .5 I F; ‘ (a g Proble 2(6 points): A motor delivers 2_o_o “gs“ ’ kW at 100 rpm to the end of a she ft (seal figu .he gears at B and C take out n 110 k p 4’9 “a; respectively. Assume G =__8_0 GPa, L10 =1. 8 m. an dL; V =1.2m. 61.3 The required diametefgfin mm) of the shaft if “I? a: the allowable shear stress is Q? I a) 62.42 mes-.01 c)55..-67 A {5123‘ e, ' ' rm,” _ Problem 3 (12 following problems: q ‘ I. . 0.5 Along section a-a, the maximum shear stress (in MPa) at point A is: a) 0.586275 b)0.490196 c)0.588235 d)0.345612 M, .- l/ , * Z & vCP 1(Z&)CSHH9~=°) -.‘-i'-.—-‘- HE‘K Ca.q¢fiégé) 0J3) *- Q.3 Along section a-a, the shear stress at/peiht—é‘ n MPa) is: 13) 0.678234 0) 0.345345 d) 0.739876 9‘) 0' \ 7/5 — '9 7 1 V4; LCQDCEILK‘A': ) CD a}; g :5 6)Ce?°?) 1:. 0.7 Along section a-ai the bending stress (in MPa) at point A is: aH3137 b)26.14 c) 6.54 (1)1931 aft. 3:}. 1 ( 2,7 ) L30 1| j: C CT-‘l’ielekg 9.8. Along Section a-a, the bending stress (in MPa) at point B is: a} ease - lad-16.34 ...
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