3. The shaft consisting of steel and aluminum segments carries the torques T and 2T. Find the largest allowable value of T if the working shear stresses are 12500 psi for steel and 7800 psi for aluminum and the angle of rotation at the free end must not exceed 6 degrees. Use G = 12 x 10° psi for steel and G = 4 x 10º psi for aluminum. T Aluminum 2 ft 1.6 in dia. 2T Steel 2 in dia. 3.2 ft

Structural Analysis
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Chapter2: Loads On Structures
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3. The shaft consisting of steel and aluminum segments carries the torques T and 2T. Find the
largest allowable value of T if the working shear stresses are 12500 psi for steel and 7800 psi for
aluminum and the angle of rotation at the free end must not exceed 6 degrees.
Use G = 12 x 10° psi for steel and G = 4 x 10º psi for aluminum.
T
Aluminum
2 ft
1.6 in dia.
2T
Steel
2 in dia.
3.2 ft
Transcribed Image Text:3. The shaft consisting of steel and aluminum segments carries the torques T and 2T. Find the largest allowable value of T if the working shear stresses are 12500 psi for steel and 7800 psi for aluminum and the angle of rotation at the free end must not exceed 6 degrees. Use G = 12 x 10° psi for steel and G = 4 x 10º psi for aluminum. T Aluminum 2 ft 1.6 in dia. 2T Steel 2 in dia. 3.2 ft
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