Question

3. (20 points). A single crystal solid cylinder having a 8-mm diameter is stressed in tension up to 12,000 N, producing an elastic reduction in the specimen diameter to 4.5x109 mm. Let Ơys 300 MPa and select the correct answer to the staterments given below. Each statement is worth 5 points. 3.1 The applied stress is ơ False 238.73 MPa True 13.2 The shear stress is τ" IoT1], b, τ,-100 MPa d-T-64 MPa c, τ,-25 MPa 3.3 The solid fracture because r True 0 False 3.4 The solid fracture because False_ > 0 True Ao

Answer 1

Radius) 4mm Ftre a. 2000-12,רסס lot hih.fkk,..H. 또. 7% 2

3. False 3-3) rue ajlrii becaue be no plastic dahmtion 3. 4) falge