List of top Mechanical Metallurgy Questions asked in GATE Metallurgical Engineering

Which of the following statements is or are correct with respect to fusion welding and solid-state welding of metals and alloys?
Which of the following welding processes does not utilize a consumable electrode?

Which of the following statements is/are CORRECT with respect to fusion welding and solid-state welding of metals and alloys?

Which of the following welding processes does NOT / do NOT utilize a consumable electrode?