In flash butt welding, the forced out metal is called flash.

Related MCQs

• Which of the following can be easily be welded from flash butt welding process?
• If the total efficiency is 0.35 in arc welding. Then what is the welding speed in mm/sec if the cross-sectional area is 5mm2, welding power is 2 kW and the heat required in melting the metal is 100 J/mm3.
• What is the differentiating factor between flux core arc welding and gas-shielded metal arc welding processes?
• Upset butt welding is majorly used in the making of automobile parts.
• Which kind of resistance is experienced in upset butt welding?
• Forging is a metal forming operation in which the metal is stretched to form the desired shape of a metal part.
• Which of the following welding process in which heat is produced for welding by a chemical reaction?
• In inertia friction welding energy of welding machine is used.
• Weld strength in inertia friction welding is more than direct drive friction welding.
• Consider a situation in which a welding operation is being performed with V = 20 volts, I = 200 A, and the cross-sectional area of the weld bead is 30 mm2. Estimate the welding speed if the workpiece and electrode are made of (a) aluminum, (b) carbon steel, and (c) titanium. Use an efficiency of 75%.