WorksheetsWT1_P1
Total questions: 25
Worksheet time: 50mins
What are the TWO types of welding?
Fusion and Non-Fusion Weld
High and Low Pressure Weld
Light and Dark Weld
Fast and Slow Weld
When switching on Oxy Acetylene Gas Welding, I must first switch on __________.
Oxygen Gas
Acetylene Gas
both Oxygen Gas and Acetylene Gas
either Oxygen Gas or Acetylene Gas, it does not matter
What is the mixture of Neutral Flame?
Oxygen only
Oxygen > Acetylene
Oxygen < Acetylene
Oxygen = Acetylene
What is the mixture of Oxidising Flame?
Oxygen only
Oxygen > Acetylene
Oxygen < Acetylene
Oxygen = Acetylene
What is the mixture of Carburising (Reducing) Flame?
Oxygen only
Oxygen > Acetylene
Oxygen < Acetylene
Oxygen = Acetylene
What gas is used to adjust the POWER of the welding flame?
Acetylene Gas
Propane Gas
Oxygen Gas
Helium Gas
Which Gas is used to FUEL the flame of the welding flame?
Acetylene Gas
Propane Gas
Oxygen Gas
Helium Gas
Why is Neutral Flame used for welding?
Most stable flame
Strongest Flame
Cleanest and Hottest Flame
Brightest and the Loudest Flame
What is a Regulator?
A device to show how much gas is contained in the cylinder.
A device to show the amount of pressure is currently being used.
A safety device to regulate (control) amount of gas coming out of the cylinder.
A safety device to prevent any Gas to flow back into the cylinder
Which Flame is used for welding?
Neutral Flame
Oxidising Flame
Carburising (Reducing) Flame
Natural Flame
What is a Molten Pool?
Metal used for welding.
Wire material for filling up weld gap.
Sparks produced when the weld is being made.
Melted metal produced when the weld is being made.
What is another name for Molten Pool?
Molt
Melted Pool
Weld Puddle or Weld Pool
Metal Inert Gas
How does an IDEAL Molten Pool look like?
Green and bubbling.
Loses colour and bubbling.
Throwing off sparks like firework.
Tranquil, Golden Bead with a yellowish glow.
How do you know if the Molten Pool is too hot?
Green and bubbling.
Loses colour and bubbling.
Throwing off sparks like firework
Tranquil, Golden Bead with a yellowish glow.
How do you know if the weld is being oxidised?
Green and bubbling.
No colour and bubbling.
Throwing off sparks like fireworks.
Tranquil, Golden Bead with a yellowish glow.
What does OXIDATION mean?
Not enough oxygen in the weld.
Too much oxygen in the weld.
Oxygen is not switched on.
Acetylene is unstable.
What is Fusion Welding?
A type of welding machine.
A type of welding protective equipment.
Join together metal parts without melting the parent metals.
Join together metal parts to the point of melting the parent metals.
What is a Non-Fusion Welding?
A type of welding machine.
A type of welding protective equipment.
Join together metal parts without melting the parent metals.
Join together metal parts to the point of melting the parent metals.
Which of these is an example of Fusion Welding?
Welding gloves
Oxy Acetylene Gas Welding
Soldering and Brazing
Welding Helmet
Which of these is an example of Non-Fusion Welding?
Welding gloves
Oxy Acetylene Gas Welding
Soldering and Brazing
Welding Helmet
What are the TWO gases used in Oxy Acetylene Gas Welding?
Propane Gas and Oxygen Gas
Argon Gas and Carbon Dioxide Gas
Acetylene Gas and Oxygen Gas
Oxygen Gas and Helium Gas
What is a Content Gauge?
A device to show how much gas is contained in the cylinder.
A device to show the amount of pressure is currently being used.
A safety device to regulate (control) amount of gas coming out of the cylinder.
A safety device to prevent any Gas to flow back into the cylinder.
Which of these CORRECTLY describes a Working Pressure Gauge?
A device to show how much gas is contained in the cylinder.
A safety device to regulate (control) amount of gas coming out of the cylinder.
A safety device to prevent any Gas to flow back into the cylinder.
A device to show the amount of pressure is currently being used.
What is a Flashback Arrestor?
A safety device to prevent any Gas to flow back into the cylinder.
A device to show how much gas is contained in the cylinder.
A device to show the amount of pressure is currently being used.
A safety device to regulate (control) amount of gas coming out of the cylinder.
Does the flame cone touch the filler rod when welding?
Yes, they must touch.
No, they should not touch each other
Yes, but only when the filler rod is long enough.
No, the filler rod should not be used during welding.
