Question 1:
Which welding technique uses an electric arc to create a weld?
Explanation: The correct answer is A) MIG welding. MIG welding, also known as Gas Metal Arc Welding (GMAW), uses an electric arc between a consumable wire electrode and the workpiece to create a weld.
Question 2:
Which welding technique uses a tungsten electrode and an inert gas?
Explanation: The correct answer is B) TIG welding. TIG welding, also known as Gas Tungsten Arc Welding (GTAW), uses a tungsten electrode and an inert gas, such as argon, to create a weld.
Question 3:
Which welding technique uses a coated electrode that provides flux?
Explanation: The correct answer is C) Stick welding. Stick welding, also known as Shielded Metal Arc Welding (SMAW), uses a coated electrode that provides flux to protect the weld from atmospheric contamination.
Question 4:
Which welding technique uses a high-energy laser beam to create a weld?
Explanation: The correct answer is D) Laser welding. Laser welding utilizes a high-energy laser beam to melt and fuse materials together, creating a weld with high precision and minimal heat-affected zone.
Question 5:
Which welding technique is commonly used for joining non-ferrous metals?
Explanation: The correct answer is B) TIG welding. TIG welding is commonly used for joining non-ferrous metals such as aluminum, copper, and titanium, due to its ability to provide precise control over the welding process.
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