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Complete the following: a) Chromium stabilizes the _____ form of iron b) Nickel stabilizes the _____ form of iron a) bcc b) fcc If a straight chromium steel of 18% Cr and < 0.1 % C is heated to 1000°C will it transform to austenite or remain as ferrite? remain as ferrite What is the predom...

CSA Standard W47.1 provides the requirements that must be met and adhered to by a company seeking certification. True or False? True Certification can be considered as an approval of the products fabricated by a certificated company? True or false?! False What does "class" refer to? A) "T"...

The AWS D1.1 Structural Welding Code-Steel includes welding procedure and performance qualification requirements The CSA is one organization accredited by the Standards Council of Canada for developing standards related to joining and inspection. Name another one. Canadian General Standards Board...

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 the...

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 so...

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-off ...

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) o...

Alloy steels are typically used for: Tools and gears. Engineering materials are classified as metals and: Non-metals. Which of the following elements is used as an alloying element in steel and provides corrosion resistance? Nickel. True or False? Alloys are mixtures of metal with other metals o...

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 th...

1. Which is not a recommended method for surface cleaning of a part for liquid penetrant examination? a) Cleaning with organic solvents. b) Blasting with shot or dull sand. c) Cleaning with de-greasers. d) Use of de-scaling solutions. e) Ultrasonic cleaning methods. b) Blasting with shot or dul...

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. Select the cutting process that would provide the ...

True or False? Weld metal shrinkage is not proportional to the amount of weld metal. False True or False? Longitudinal residual stress may be as high as the yield stress of the base metal. True True or False? There is no residual stress in a steel plate with mill rolled edges without any additi...

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 se...

Active Flux significantly influence the weld puddle - add manganese, silicon, chromium to weld metal - typically bonded type flux Arc Blow The deflection of an arc from its normal path due to magnetic forces. Autogeneous Weld A fusion Weld made without filler metal Duty Cycle The time during a ...