Understanding Oxy Fuel Cutting Techniques

What is the primary purpose of the preheat flame in the oxy fuel cutting process?

• To melt the metal completely

• To raise the temperature of the metal to its ignition point

• To cool the metal surface

• To provide a protective coating

Which of the following is a critical safety precaution when using oxy fuel cutting equipment?

• Using a water-based lubricant

• Wearing appropriate personal protective equipment (PPE)

• Operating in a confined space

• Using a plastic cutting table

Identify the component of oxy fuel equipment that regulates the flow of oxygen and fuel gas.

• Cutting torch

• Regulator

• Flashback arrestor

• Nozzle

Which cutting technique involves moving the torch in a straight line to achieve a clean cut?

• Bevel cutting

• Gouging

• Straight line cutting

• Piercing

In which industry is oxy fuel cutting most commonly used for dismantling large structures?

• Textile industry

• Shipbuilding industry

• Food processing industry

• Pharmaceutical industry

What is the recommended maintenance practice for ensuring the longevity of oxy fuel cutting equipment?

• Storing equipment in a damp environment

• Regularly cleaning and inspecting hoses and connections

• Using any type of fuel gas available

• Ignoring minor leaks

Which type of oxy fuel cutting equipment is best suited for cutting thick steel plates?

• Low-pressure torch

• High-pressure torch

• Plasma cutter

• Laser cutter

What is the role of the cutting oxygen jet in the oxy fuel cutting process?

• To cool the metal surface

• To ignite the fuel gas

• To oxidize and remove the molten metal

• To provide a decorative finish

Which of the following is a common application of oxy fuel cutting in the construction industry?

• Painting steel beams

• Welding aluminum sheets

• Cutting structural steel components

• Polishing concrete surfaces

What is the effect of using a worn-out nozzle in oxy fuel cutting?

• Improved cutting precision

• Increased risk of backfire

• Reduced oxygen consumption

• Enhanced cutting speed