Which of the following inert gas is used with DC power supply only?

Related MCQs

• Which of the following gases are used in Tungsten inert gas welding?
• What is the maximum power supply needed for the working of spot welding process?
• What is the minimum power supply needed for the working of spot welding process?
• Gas-Fired burner is used in which of the following furnace?
• In which of the following gas welding process a non-consumable electrode is used?
• Which of the following defect is not a gas defect?
• Which of the following is also called “gas welding”?
• Which of the following gas welding process uses constant voltage?
• Which of the following defects occur due to the entrapment of gas bubbles by the freezing dendrites during the cooling of molten pad?
• Which gas defect is caused by hydrogen in molten metal?