CWB Level 2

CWB Level 2 Test Questions with Correct Answers What is the description of damage of a brittle fracture? - Answer-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? - Answer-Carbon and low alloy steels. 400 series SS are also susceptible What has a significant influence on toughness and resistance to brittle fractures? - Answer-Steel...

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. - Answer a) A transverse weld tension test. Select the cutting process that would provide the narrowest heat affected zone when cutting 12.5 mm (0.5 in) thick carbon steel. a) Oxy-acetylene cutting. b) Air-carbon arc cutting. c) Oxy-propane cutting. d) Plasma arc cutting. e) Las...

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 source. Select the correct statement. A. in each parallel path the resistance must be equalized to create equal voltage. B. the current flowing in each parallel path must be the same as the 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 Materials that have a high resistance to current flow are called: a) Semi conductors b) conductors c) insulators - c) insulators

CWB Level 2 Exam Questions with Correct Answers What are the 5 main categories for LP indications - Answer-1. Continuous Line 2. Intermittent Line 3. Rounded 4. Small Dots 5. Diffused or weak surface tension - Answer-property of a liquid that tends to reduce the area of the surface contact angle - Answer-the angle that the base of a drop of water makes with the surface it is on If a Liquid has good wetting it has a _________ Contact Angle - Answer-Small Contact Angle capillary act...