The barrel is used for the opening and closing of the mold.

Related MCQs

• Co2 moulding is mainly used for the increase in strength and hardness of the moulds and cores.
• In resistance welding, between the electrodes, the nature of current and voltage parameters being used?
• For brazing, soldering and flame hardening which of the following flame is used?
• In order to prevent oxidation and retain molten metal in stud welding which of the following is used?
• Thermosetting plastics are generally used for making products of high strength and rigidness.
• 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%.
• 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 is not used for the formation of the molding sand?
• For melting of cast iron, which of the following furnace is used?
• Gas-Fired burner is used in which of the following furnace?