The solid circular drill rod AB is made of a steel that is assumed to be elastoplastic with Ty= 22 ksi and G=11.2 × 106 psi. Knowing that a torque T = 74 kip-in. is applied to the rod and then removed, determine the permanent angle of twist of the rod. 35 ft 1.2 in. The permanent angle of twist of the rod is 0.369 x

Structural Analysis
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ISBN:9781337630931
Author:KASSIMALI, Aslam.
Publisher:KASSIMALI, Aslam.
Chapter2: Loads On Structures
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The answer is not 39.39 degrees or 9.42 degrees or 0.369 degrees. Any help would be appreciated, thank you.

The solid circular drill rod AB is made of a steel that is assumed to be elastoplastic with Ty= 22 ksi and G= 11.2 × 106 psi. Knowing that
a torque T = 74 kip-in. is applied to the rod and then removed, determine the permanent angle of twist of the rod.
35 ft
الاد
1.2 in.
The permanent angle of twist of the rod is 0.369
Transcribed Image Text:The solid circular drill rod AB is made of a steel that is assumed to be elastoplastic with Ty= 22 ksi and G= 11.2 × 106 psi. Knowing that a torque T = 74 kip-in. is applied to the rod and then removed, determine the permanent angle of twist of the rod. 35 ft الاد 1.2 in. The permanent angle of twist of the rod is 0.369
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