WELDING

The MIG welding process is also known as …

• Gas metal arc welding

• Flux cored arc welding

  Self-shielded welding

• Self-shielded welding

Which source is used to produce heat in arch welding?

• Fuel gases

• Laser

• Electricity

When was welding techniques discovered?

• In the Industrial Revolution

• In ancient times

• In the Middle Ages

For millennia, blacksmiths had used forge welding to join which two metals?

• Aluminum and copper

• Iron and copper

• Steel and iron

Which term refers to the welding process that joint materials by melting them?

• Fiction

• Induction

• Fusion

In addition to metals, which materials can be joint by welding?

• Porcelain

• Fibreglass

• Thermoplastics

Which bead character is the result of too high current in welding?

• Excess splatter

• Metal pilling

• Weld metal pilling

Which of the following materials can’t be used in a carbon arc welding process?

• Iron

• Aluminium

• Copper

Which is the most dangerous occupational hazard occurring to welders?

• Metal fumes

• Cuts

• UV radiation

What is the process of penetrating excessively in a localised metal area?

• Under-cutting

• Burn-through

• Slope