C onsider a step shoft fixed at both ends and loaded with a torsional moment M, as shown in He biagrom the (@) Determine he maximum value of the torsonal moment Mk, the maximum shear stress (allowable stress) Is as 130 MPa if guen bs Determire the of twist of ane end with espect to te other end angle Giuen: L = 320 mm %3D L2 L2 =D170mm L3=360 mm d, = 32 mm %3D d2315 mm %3D MK 4.