OXY ACETYLENE GAS WELDING 2

What is Molten Pool?

• Welding term for smoke

• A type of welding equipment

• Melted metal when welding is made

• Something that happens when the metal is too hot

What is molten pool also known as?

• Paddle

• Weld Pool

• Puddled Weld

• Welding Pod

For basic Oxy Acetylene weld, which weave is used to manipulate the molten pool?

• V weave

• C weave

• Circular Weave

• Figure 8

Why is the molten pool bubbling?

• Its not hot enough

• Its too hot!

• There are impurities in the pool

• there is air in the pool

Why is the molten pool throwing off sparks?

• There is fuel in the molten pool

• The molten pool is too small

• Too much Acetylene in the flame

• Oxidation is happening

Oxidation will make the weld

• Strong

• Weak and brittle

• Bend

• Unstable

What is the distance between the flame and the metal piece?

• 1mm - 2mm

• 2mm - 4mm

• 3mm - 5mm

• 4mm - 5mm

what is the recommended angle of the torch during welding?

• 30º - 40º

• 60º - 70º

• 45º

• 80º - 90º

what is the recommended angle of the filler rod during welding?

• 30º - 40º

• 60º - 70º

• 45º

• 80º - 90º

How old do you think Cikgu Fai is?

• 20-25

• 26-30

• 30-35

• 36-40