Which of the following is not true about friction welding?

Related MCQs

• Weld strength in inertia friction welding is more than direct drive friction welding.
• 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.
• 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.
• In inertia friction welding energy of welding machine is used.
• In inertia friction welding              energy of welding machine is used.
• Which of the following holds true for friction welding?
• Which of the following welding process in which heat is produced for welding by a chemical reaction?
• 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%.
• What is the differentiating factor between flux core arc welding and gas-shielded metal arc welding processes?
• If the open circuit voltage is 60 volt and the short circuit current is 20 amperes. Then determine the voltage required for welding if the current required during welding is 10 amperes?