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According to the AWS, the nominal composition of a brown colour-coded tungsten electrode is: - tungsten and 0.25% zirconium oxide (pure tungsten is green) Alloyed tungsten electrodes have some advantages over pure tungsten electrodes. The following is not one of those advantages: - lower electrod...

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) ...

Which of the following metals has the highest thermal conductivity? (a) carbon steel (b) stainless steel (c) aluminum - (c) The Ellingham diagram (a) is a plot of thermal conductivity against temperature, (b) shows the free energy of oxide formation against temperature. (c) shows the rate of ...

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 - AnswerA) A gas made up of positive ions and free electrons To increase melting rate (b...

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 pro...

faying surface - the mating surface of a member that is in contact with or in close proximity to another member to which it is to be joined. joint - the junction of the workpieces that are to be joined supplementary welding symbols - ____ ___ are used to provide complementary information to the ...

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 B...

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. - Answer a) A transverse weld tension test 2. Select the cutting process that would p...

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. - Answer b) Blasting with sh...