Tig welding

A health and safety hazard associated with Tig welding

• Back ache

• Cuts and bruises

• High frequency shock

• Cramp

The effect that exposure to an electric arc has upon the eyes is known as arc eye, what precautions can be used?

• Hazard warning notices

• Head sheild with the correct filter

• Use of screens

• A leather apron

What type of fire extinguisher is red with a black band?

• Powder - electrical- low voltage

• CO2- electrical- high voltage

• Foam- chemical/non electrical

• Water- wood, paper, cloth, non electrical

In Tig welding, what would be the correct shading range of a head shield lense?

• 1- 4

• 4- 5

• 9- 13

• 13- 16

Types of precaution to reduce welding fume are?

• Natural ventilation

• Ducted extraction

• Breathing apparatus

• A respirator

A precaution taken to reduce the effects of the welding arc are?

• Nylon trousers

• Non-reflective painted walls

• Sun glasses

• A long sleeved shirt

A component from a Tig welding system is?

• Electrode wire

• Wire feed motor

• Contact tip

• Collet

An Ohm is?

• An electrical measurement of amperes

• An electrical measurement of power

• A unit of electrical resistance

• A measurement of voltage

Shielding gas mixtures used in Tig welding are?

• Argon

• Helium

• Oxygen-free nitrogen

• All of the above

Possible effects of an electrode touch down are?

• Electrode contamination

• Tungsten inclusion in the completed weld

• Damage to the tip of the electrode

• An unstable welding arc