Oxy Acetylene Gas Cutting

What is the color of an acetylene cylinder?

• Green

• Blue

• Maroon

• Black

What is the purpose of flashback arrestor?

• Prevent gas from leaking

• Prevent flashback flame from reaching the regulator

• Prevent hose from coming off the regulators

• All of the above

Which of the following is not a tool used for oxy-acetylene cutting?

• Nozzle Cleaner

• Chisel

• Spark lighter

• Pressure regulator

Which of the following is the CORRECT flame for ratio acetylene - 1 : oxygen - 2?

• Carburizing flame

• Neutral flame

• Oxidizing flame

• Plasma

For Neutral flame, the cone is sharp and dull. TRUE OR FALSE?

• TRUE

• FALSE

What is the difference between a gas welding torch and a gas cutting torch?

• Welding torch nozzle is the same as cutting torch

• Cutting torch nozzle have more than one orifice.

• Welding torch have an extra lever for high oxygen pressure

• Cutting torch have an extra lever for high oxygen pressure

What are the main criteria needed to perform oxy cutting?

• Make sure the metals are cleaned

• Make sure the oxy cutting nozzle is the correct one for the specific metal thickness

• Make sure to preheat the metal to bright red before cutting the metal

• All of above

1.    What is the purpose of the protection cap used for the cylinder?

• protect the gas from leak

• protect the valve from getting damage

• protect the cylinder from getting damage

• protect the cylinder from moisture

Identify the tool.

• Gas welding torch

• Gas cutting torch

• Gas welding torch nozzle

• Gas cutting torch nozzle

Identify this tool.

• Nozzle cleaner

• File

• Engineering chalk

• None of above