It is important to initiate the welding arc within the weld groove because:

Related MCQs

• A dark, sharply defined, straight line in the centre of the weld, and running parallel with the length of the weld should be interpreted as:
• Which technique would most likely be used to examine a weld, with the weld cap still in place?
• A depression at the edge of a weld where the base metal has been melted during welding is called:
• A thin, white line within the film image of a weld crown might be:
• A continuous linear indication along the centre of a fillet weld would most likely be a:
• A continuous linear indication along the edge of a new fillet weld would most likely be a:
• Prods are being used to magnetize a weld area. When dry powder is dusted on the surface, it is observed that there is no mobility of the particles. What is the most probable reason for this observation?
• A straight, dark line in the centre of the film of a weld cap would probably be:
• A dark, irregular indication which is located adjacent to the toe of the weld would probably be:
• Which type of gamma ray source would be used to radiograph a weld in 150 mm thick steel plate?