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# Quiz08 - Name EID Quiz 8 A simply supported beam of...

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EM 319 – Unique No.: Tuesday 03/29/11 Name: EID: Quiz 8 A simply supported beam of circular cross section is loaded with a distributed load of intensity 850 N/m and a concentrated load W=100 N acting at x = L / 2 . Find the minimum diameter for an allowable bending stress of 7.0 Mpa and an allowable shear stress of 0.75 Mpa. Draw clear FBD(s). Show all your work. Recall, for a circular cross section Q y ( ) b y ( ) = 1 2 a 2 ! y 2 ( ) ! b 2 y ( ) 24 , a = d / 2 is the radius. SOLUTION:

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EM 319 – Unique No.: Wednesday 03/30/11
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Unformatted text preview: Name: EID: Quiz 8 A simply supported beam of rectangular cross section is loaded with a distributed load of intensity 125 lb/ft and a concentrated force of 7500lb acting 3 ft from the right end. Find the minimum width b of the cross section for an allowable bending stress of 2500 psi and an allowable shear stress of 150 psi. Draw clear FBD(s). Show all your work Recall, for a rectangular cross section Q y ( ) b = h 2 8 ! y 2 2 . SOLUTION:...
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Quiz08 - Name EID Quiz 8 A simply supported beam of...

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