Oxyfuel Cutting Quiz

What should be check for leaks before oxyfuel cutting ?

• only oxygen line

• Oxygen and fuel Hoses

• only gas line

• Accessories

Which term describes a hissing or whistling sound caused by the flame burning back into the torch, hose, or regulator?

• Backfire

• Flashback

• Washing

• Gouging

Which gas is commonly used in oxyfuel cutting equipment?

• Helium

• Oxygen

• Nitrogen

• Argon

What is the purpose of safety chains in oxyfuel cutting equipment?

• To secure cylinders

• To cut metal

• To ignite the torch

• To control gas flow

Which of the following statements is true about oxygen?

• It is tasteless and has a strong smell.

• It is flammable and colorless.

• It is odorless and supports combustion.

• It is tasteless and prevents combustion.

What should you do before using an acetylene cylinder that has tipped over?

• Check for leaks.

• Wait at least one hour.

• Refill it.

• Clean it.

What is the main safety feature of acetylene cylinders?

• Color coding.

• Safety plugs.

• Weight.

• Size.

What do the two gauges on a regulator show?

• Temperature and humidity

• Cylinder (inlet) pressure and torch delivery (outlet) pressure

• Voltage and current

• Speed and distance

What happens when you turn the pressure adjusting screw counterclockwise?

• It increases the pressure

• It decreases the pressure

• It changes the gas type

• It turns off the regulator

This part of the cutting torch setup ensures that pressure of the gas from the tanks matches the required pressure in the hose:

• Regulator
• Reducer

• Transducer

• Indicator

• Gauge