NEW
Font size
WorksheetsWelding technology - paper 1
Total questions: 25
Worksheet time: 49mins
To switch on Oxy Acetylene Gas Welding, the welder must FIRST __________.
switch on Oxygen Gas
switch on either Oxygen Gas or Acetylene Gas, it does not matter
switch on Both Oxygen Gas and Acetylene Gas
switch on Acetylene Gas
A Neutral Flame is____________.
Oxygen only
Oxygen = Acetylene
Oxygen > Acetylene
Oxygen < Acetylene
An Oxidising Flame is_______________.
Oxygen only
Oxygen = Acetylene
Oxygen > Acetylene
Oxygen < Acetylene
Carburising (Reducing) Flame is_____________________.
Oxygen only
Oxygen = Acetylene
Oxygen > Acetylene
Oxygen < Acetylene
Which gas is the POWER GAS that is used to adjust the strength of the flame?
Acetylene Gas
Propane Gas
Helium Gas
Oxygen Gas
FUEL GAS is used to ignite the welding flame, which of these gases is FUEL GAS?
Oxygen Gas
Propane Gas
Helium Gas
Acetylene Gas
Neutral Flame is used in Welding because____________________.
cleanest and hottest flame
most stable flame
strongest flame
brightest and the loudest flame
The Regulator is a __________.
device to show how much gas is contained in the cylinder
device to show the amount of pressure is currently being used
safety device to regulate (control) amount of gas coming out of the cylinder
safety device to prevent any Gas to flow back into the cylinder
What is the name of the flame used for Welding in Oxy Acetylene Gas Welding?
Oxidising Flame
Neutral Flame
Carburising (Reducing) Flame
Natural Flame
Molten Pool is __________.
metal used for welding
melted metal produced when the weld is being made
wire material for filling up weld gap
sparks produced when the weld is being made
__________ are other names for Molten Pool.
Molt
Melted Pool
Metal Inert Gas
Weld Puddle or Weld Pool
An IDEAL Molten pool is __________.
green and bubbling
tranquil, golden bead with a yellowish glow
loses colour and bubbling
throwing off sparks like firework
What happens when a Molten Pool is TOO HOT?
Green and bubbling.
Throwing off sparks like firework
Loses colour and bubbling.
Tranquil, Golden Bead with a yellowish glow.
OXIDATION is when the molten pool is __________.
green and bubbling
no colour and bubbling
tranquil, Golden Bead with a yellowish glow
throwing off sparks like fireworks
What happens during OXIDATION?
Too much oxygen in the weld.
Not enough 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 to the point of melting the parent metals.
Join together metal parts without melting the parent metals.
Which of these sentences BEST describe Non-Fusion Welding?
A type of welding machine.
A type of welding protective equipment.
Join together metal parts to the point of melting the parent metals.
Join together metal parts without melting the parent metals.
__________ is/are an example of Fusion Welding.
Welding gloves
Soldering and Brazing
Welding Helmet
Oxy Acetylene Gas Welding
__________ are examples of Non-Fusion Welding.
Welding gloves & Leather Apron
Oxy Acetylene Gas Welding & TIG Weld
Soldering and Brazing
Welding Helmet & Goggles
The TWO gases used in Oxy Acetylene Gas Welding are_____________.
Propane Gas and Oxygen Gas
Argon Gas and Carbon Dioxide Gas
Oxygen Gas and Helium Gas
Acetylene Gas and Oxygen Gas
A Content Gauge is a __________.
device to show the amount of pressure is currently being used
safety device to regulate (control) amount of gas coming out of the cylinder
safety device to prevent any Gas to flow back into the cylinder
device to show how much gas is contained in the cylinder
What is a Working Pressure 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 Flashback Arrestor?
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.
During welding, does the flame cone and filler rod touch?
Yes, they must touch.
Yes, but only when the filler rod is long enough.
No, they should not touch each other.
No, the filler rod should not be used during welding.
The TWO types of welding are________________.
Light and Dark Weld
Fusion and Non-Fusion Weld
Fast and Slow Weld
High and Low Pressure Weld
