Class Test - Paper 1

The TWO types of welding are________________.

• Light and Dark Weld

• Fusion and Non-Fusion Weld

• Fast and Slow Weld

• High and Low Pressure Weld

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