Which of the following method is not used in applying pressure in spot welding process?

Related MCQs

• 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.
• Which of the following welding process in which heat is produced for welding by a chemical reaction?
• 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?
• Up to what thickness, can steel be welded using spot welding process?
• Electrodes used in spot welding are made up of which material?
• In inertia friction welding energy of welding machine is used.
• In inertia friction welding              energy of welding machine is used.
• How are the metals to be welded connected to each other in spot 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%.