CWB | Mechanical Testing of Welds Exam Pre Test Questions With Answers

CWB | Mechanical Testing of Welds Exam Pre Test Questions With Answers 1. When a metal is subjected to load, it will be resisted by internal forces within the metal. The intensity of these forces through a given plane is known as ___________ - ANSWER Stress Exercise Questions - Section 2 2. Select the 3 ways in which a load can act on a cross-sectional area in a body a) perpendicular b) tension c) angular d) compression e) helixial f) shear - ANSWER b) tension d) compression f) shear Exercise Questions - Section 2 3. True or False Strain is the extension divided by the original length - ANSWER True Exercise Questions - Section 2 4. The modulus of elasticity, E, for steel is usually taken as: a) 2000 MPa b) 200,000 MPa c) 200 MPa d) 2,000,000 MPa e) 29,000 MPa - ANSWER b) 200,000 MPa Exercise Questions - Section 2 & 3 1. If a plot of stress against strain is made for a bar that undergoes plastic deformation, the stress at which a permanent set is first recorded when the bar is unloaded is known as: a) permanent set b) strain c) the elastic limit d) the proportional limit - ANSWER c) the elastic limit