Test 1 - COE 3001 - Deformable bodies Spring 2009 Test L...

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- Deformable bodies Spring 2009 Test L Date: 02lO4lO9 1. 2. An aluminum (E=10600 ksi) wire of diameter d=1/10 in and length L=I2 ft is subjected to a tensile load P. Find the maximum allowable load if the allowable stress is 10 ksi. and the allowable elongation is 1/8 in. (30 points) A hollow aluminum (G=28 GPa) tube has outside diameter d2=lo4 mm and inside diameter d1=82 mm. The tube is 2.75 mlong. a. If the tube is twisted in pure torsion by torques acting at the ends, what is the angle of twist if the maximum shear stress in the tube is 48MPa? b. What diameter d is required for a solid shaft to resist the same torque with the same maximum stress? c. What is the ratio of the weights of the hollow shaft to that of the solid shaft? (40 points) A hollow cast iron pipe (Ec=l2000ksi) supports a brass rod Eb=14000ksi which carries a lod P=2 kips. The ouside diameter of the pipe is dc=6 in. If the allowable stress in the pipe is 5000psi and the allowing shortening of the pipe is 0.02 in, what is the
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This note was uploaded on 09/28/2011 for the course COE 3001 taught by Professor Armanios during the Spring '08 term at Georgia Institute of Technology.

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Test 1 - COE 3001 - Deformable bodies Spring 2009 Test L...

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