Extracted text: 1. Two torque as shown are applied on a compound shaft of aluminum segment and a steel. Determine the maximum permissible value of T subjected to the following conditions: t, < 90mpa,="" ta="">< 65mpa,="" and="" the="" angle="" of="" rotation="" of="" the="" free="" end="" limited="" to="" 11°.="" use="" gs="84" gpa="" and="" ga="27" gpà="" %3d="" !!="" 75="" mm="" 2="" t="" aluminum="" steel="" b="" 50="" mm="" 2="" m="" 1.5="">