Mig welding block 6 - Study guides, Class notes & Summaries

Please write clearly, in block capitals Centre number Candidate number Surname Forenames(s) Candidate’s signature A-Level - Design & Technology (Product Design) Date of Exam Time allowed: 2 hours 30 minutes Materials For this paper you must have: • normal writing and drawing instruments • a scientific calculator Instructions • Use black ink or black ball-point pen. Use pencil only for drawing • Fill in the information at the top of this page • An...

Welding - Chapters 1-6 - First Exam, With Complete Verified Solution List welding Currents: AC,DC-,DC+ What is the Definition of welding current the current in the welding circuit during the making of the weld. Three units are used to measure welding current Voltage: electrical pressure Amperage: number of electrons flowing Wattage: power of the arc What approximately is The temperature of the arc? 11,000°F (6000°C). Three different types of current used for welding are Alternati...