Cwb 2 module 12 - Study guides, Class notes & Summaries

CWB Module 12 Mechanical Testing of Welds Exam Questions with Complete Solutions Exercise Questions - Section 5 2. Name 3 types of hardness testing machines - Answer-Brinell, Rockwell, & Vickers Exercise Questions - Section 5 3. Most hardness testing machines use the indentation test, where a penetrator of a given material, shape and size is forced into the surface of the material being tested by a given load. However one of the machines uses the principle of a bouncing hammer. How d...

CWB 2 Module 17 Questions The property of liquids that makes them try to reduce their surface area is known as: A) Capillary action B) Surface tension C) Viscosity - correct answer B) Surface tension True or False? "The ability of a liquid to wet a solid surface can be measured in terms of the contact angle." - correct answer True The phenomenon by which water rises up a narrow tube or by which liquid can penetrate a crack is known as: A) Capillary action B) Surface tension C...

CWB Module 10 Questions and Answers Rated A+ Where do transverse cracks occur? (a) weld metal and base metal (b) weld metal only (c) base metal only (d) weld craters (a) weld metal and base metal Porosity may occur: (a) open to the surface of the weld only (b) in the heat-affected zone only (c) below the surface of the weld only (d) open to the surface and/or below the surface of weld (d) open to the surface and/or below the surface of weld Discontinuities are... (a) unwanted defects ...

CWB Module 12 Mechanical Testing of Welds Exam Questions with Complete Solutions 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 Exercise Questions - Section 2 & 3 2. True or False Stress is load divided by the original cross section...

CWB Module 12 Mechanical Testing of Welds Exam Exercise Questions - Section 2 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 ___________ - ️️ 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 - ️️ b) tension d) compression