In resistance welding, between the electrodes, the nature of current and voltage parameters being used?

Related MCQs

• 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?
• 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.
• The maximum diameter of electrodes being used in submerged arc 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%.
• Which of the following welding process in which two pieces to be joined are overlapped and placed between two pointed electrodes?
• Upon which of the following parameters does the current intensity in arc welding depend?
• Electrodes used in spot welding are made up of which material?
• What is the differentiating factor between flux core arc welding and gas-shielded metal arc welding processes?
• What is the only difference between Plasma arc welding and TIG welding?
• In which of the following welding processes we use two non-consumable electrodes?