Question: (a) Name two (2) Failure Criteria that are suitable for ductile material. (1 mark) (b) A steel bar with 50 mm diameter is fixed

(a) Name two (2) Failure Criteria that are suitable for ductile material.

(a) Name two (2) Failure Criteria that are suitable for ductile material. (1 mark) (b) A steel bar with 50 mm diameter is fixed at one end and loaded with a point load of 5 kN and a torque of 0.5 kN.m at its free end as shown in Figure Q1. The steel has E-200 GPa, G-80 GPa, v=0.3, yield=250 MPa i. ii. Sketch the stress elements at A, B, and C and label the stresses values. (4 marks) Determine if the bar material would yield, based on von Mises Failure Critereon with a safety factor of 1.5. (5 marks) 500 mm Figure Q1 0.5 kN.m 5 kN

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