Question
The welding electric circuit is
The correct answer is
Always earthed
Welding Circuit Earthing Safety
Welding electric circuits require proper earthing for user safety and equipment protection.
- Earthing Purpose: Earthing connects the electrical circuit to the ground, providing a safe path for electricity to flow in case of a fault, such as insulation breakdown.
- Fault Protection: If a live wire accidentally touches the metal casing of the welding equipment, the earth connection ensures a large current flows, immediately tripping circuit breakers or fuses, thus preventing electric shock.
- Standard Practice: For safety reasons, welding equipment and its electrical circuits are designed and required to be permanently connected to an earth ground.
Therefore, the welding electric circuit is Always earthed.
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Important Questions from Welding
The flame which contains excess oxygen than theoretical required:
In gas welding, the inclination of the blow pipe with respect to the plate in Leftward welding is-
In resistance welding, the SCR contactor will close during ____
In the flash butt welding:
Carburising flame is used to weld metals like _____.
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