CWB Bundled Exams with Complete Solution | Verified | Guaranteed Success

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...

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 th...

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 ...

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 ...

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) ...

The upper limit of human hearing is approximately: A) 20Hz B) 20kHz C) 20MHZ - B) 20kHz A typical frequency used for ultrasonic testing of welds is: A) 2.25MHZ B) 2.25kHz C) 2.25Hz - A) 2.25MHZ Do transverse waves in a solid travel faster or slower than longitudinal waves? - Slower True or ...

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...