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MCS,PHD
Argosy University/ Phoniex University/
Nov-2005 - Oct-2011
Professor
Phoniex University
Oct-2001 - Nov-2016
A drill rod with a diameter of
 in. is made of high-strength steel alloy with a shear modulus of 11.6 × 106 psi. The rod is to be subjected to a torque T. What is the minimum required length L of the rod so that the cross section at one end can be rotated 60° with respect to the other end without exceeding an allowable shear stress of 45 × 103 psi?
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