Podcast
Questions and Answers
Which gas is used as the primary fuel for oxy-fuel welding and cutting?
Which gas is used as the primary fuel for oxy-fuel welding and cutting?
- Hydrogen
- Acetylene (correct)
- Helium
- Argon
What is the maximum working pressure for the acetylene pressure gauge during welding or cutting?
What is the maximum working pressure for the acetylene pressure gauge during welding or cutting?
- 20 psi
- 10 psi
- 29.4 psi
- 15 psi (correct)
Which gas is commonly used as a gas shield for the electrode in MIG, TIG, and plasma welding equipment?
Which gas is commonly used as a gas shield for the electrode in MIG, TIG, and plasma welding equipment?
- Helium
- Hydrogen
- Oxygen
- Argon (correct)
Which of the following determines the amount of heat applied to the work in oxy-fuel welding?
Which of the following determines the amount of heat applied to the work in oxy-fuel welding?
Which of the following can cause a backfire in an oxy-fuel welding torch?
Which of the following can cause a backfire in an oxy-fuel welding torch?
What is the purpose of welding eyewear in oxy-fuel welding?
What is the purpose of welding eyewear in oxy-fuel welding?
Which type of regulator maintains a more constant outlet pressure and flow as the cylinder volume and pressure drops?
Which type of regulator maintains a more constant outlet pressure and flow as the cylinder volume and pressure drops?
What is the purpose of a flashback arrestor installed on each hose?
What is the purpose of a flashback arrestor installed on each hose?
Which type of torch is commonly used for oxy-acetylene welding and has a mixing chamber?
Which type of torch is commonly used for oxy-acetylene welding and has a mixing chamber?
Which type of flame is used for most welding?
Which type of flame is used for most welding?
What should be used to check for a leak in welding equipment?
What should be used to check for a leak in welding equipment?
What does the number on a welding tip represent?
What does the number on a welding tip represent?
Which of the following materials are considered nonferrous rods?
Which of the following materials are considered nonferrous rods?
Why is it important to clean filler rods prior to use?
Why is it important to clean filler rods prior to use?
Why should acetylene cylinders be stored and transported in the upright position?
Why should acetylene cylinders be stored and transported in the upright position?
Which flame is best used for welding high-carbon steels, for hard facing, and for welding nonferrous alloys such as aluminum, nickel, and Monel?
Which flame is best used for welding high-carbon steels, for hard facing, and for welding nonferrous alloys such as aluminum, nickel, and Monel?
What is the temperature at which the carburizing flame burns?
What is the temperature at which the carburizing flame burns?
What is the distinguishing feature of the oxidizing flame?
What is the distinguishing feature of the oxidizing flame?
What is the purpose of using a slightly oxidizing flame in bronze welding (brazing) of steel and cast iron?
What is the purpose of using a slightly oxidizing flame in bronze welding (brazing) of steel and cast iron?
What is the potential danger of a flashback in gas welding?
What is the potential danger of a flashback in gas welding?
