CWB Bundled Exams with complete solution

What is the description of damage of a brittle fracture? - Sudden rapid fracture under stress (residual or applied) where material exhibits little or no evidence of ductility or plastic deformation What type of Steel are of primary concern with brittle fractures? - Carbon and low alloy steels. 400...

A Plasma is: A) A gas made up of positive ions and free electrons B) A liquid used to reduce adherence of spatter C) The main component in an inverter power source D) Always present in an electrical circuit - A) A gas made up of positive ions and free electrons To increase melting rate (burn-of...

Exercise Question - Sections 1-4 During arc welding there is a zone adjacent to the weld metal that reaches high temperatures but does not melt. What is the name of this region? - The heat affected zone Exercise Question - Sections 1-4 Not all the heat energy produced during welding will enter t...

During arc welding there is a zone adjacent to the weld metal that reaches high temperatures but does not melt. What is the name of this region? - Heat Affect Zone (HAZ) In parallel electrical circuits, the voltage across each resistor is the same since each path is connected to the same voltage ...

Guide Question - Section 2 "Electric current is readily conducted in metals (low resistance) because of the many free electrons" True or false - True Guide Question - Section 2 "Conventional current flow is from negative to positive" True or False - False Guide Question - Section 2 Materi...

The property of liquids that makes them try to reduce their surface area is known as: A) Capillary action B) Surface tension C) Viscosity - 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." - True The phenomenon ...

1.To measure the strength of a welded joint what mechanical test would you prescribe? a) A transverse weld tension test b) A charpy test. c) A CTOD test. d) An all weld metal tension test. e) A side bend test. - a) A transverse weld tension test 2. Select the cutting process that would provide ...