CWB Level 2 Study guides, Class notes & Summaries

CWB Level 2 Study Modules 4-5-6-7-8-9- 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 eac...

CWB Level 2 All Modules Exam - Complete Solutions (Answered) What is the main alloying element in the AISI 200 series? (A) chromium (B) chromium and nickel (C) manganese What is the main alloying element in the AISI 300 series? (A) chromium (B) chromium and nickel (C) manganese Note: Steels in this series are austenitic! What is the main alloying element in the AISI 400 series? (A) chromium (B) chromium and nickel (C) manganese Note: Steels in this series are ferritic or martensitic! When refer...

CWB Level 2 All Modules Exam - Questions and Answers Fatigue cracks are one of several issues that threaten the life of welded structures. They begin as: A) Minute cracks and then grow under static loads B) Large cracks and then grow without the requirement for load C) Minute cracks and then grow under fluctuating stress D) Large cracks and then grow under static loads Radiographic inspection can be performed with the following types of radiation. A) Ultrasonic and magnetic particle B) Infrare...

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...

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...

CWB Level 2 MODULE 8 INTRODUCTION TO METALLURGY & MATERIAL SPECIFICATION RATED A Exam Question Section 3 From the following, select the ferrous metals; a) wrought iron b) copper c) aluminum d) carbon steel e) stainless steel a) wrought iron d) carbon steel e) stainless steel Exam Question Section 3 What is taconite? a) aluminum alloy b) stainless steel c) pig iron d) iron ore e) low alloy steel d) iron ore Exam Question Section 3 Limestone is a fluxing agent that removes impurities to form a...

CWB Level 2 Questions and Answers Already Passed 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 series SS are also susceptible What has a significant influence on toughness and resistance to brittle fractures? Steel cleanliness and grain size In mos...

CWB Level 2 Study Modules 4-5-6-7-8--22 Questions and Answers Rated A 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 cur...

CWB Level 2 Closed Book Exam Questions and 100%Correct Answers | Updated & Verified. 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. - Correct 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...