Oxygen-Acetylene Welding Quiz

Questions #1-15 are worth 3 points each

1)By definition, Oxy-Acetylene welding is a process of

  1. Fusion
  2. Adhesion
  3. Carbonation
  4. Oxidation

2)Filler rod can be used for Oxy-Acetylene welding.

  1. True
  2. False

3)If you are welding aluminum metal, it is ok to use mild steel filler rod.

  1. True
  2. False

4)When attaching the welding nozzle to the torch handle you use

  1. A universal wrench
  2. A crescent wrench
  3. Your hand (hand tighten only)
  4. A pair of pliers

5)The small triangle that is formed at the tip of the torch when you add oxygen is called

  1. The middle cone
  2. The smaller cone
  3. The outer cone
  4. The inner cone

6)The best flame to use for Oxy-Acetylene welding is a

  1. Carburizing Flame
  2. Neutral Flame
  3. Oxidizing Flame
  4. Reducing Flame

7)The inner cone should be about 1/8th to ¼ of an inch away from the your metal

  1. True
  2. False

8)The molten pool is a shiny, small dot that appears in the middle of the heat zone.

  1. True
  2. False

9)When we shut down our welding torch, the first thing we do is…

  1. Turn off the acetylene torch valve
  2. Back the Tee Screw off from the regulator
  3. Twist the Tee Screw all the way in on the regulator
  4. Close the valve on the Oxygen Bottle

10)The desired size of molten puddle that we want is about the same size as

  1. A dime
  2. The tip of our welding torch
  3. The tip of a pencil
  4. It doesn’t matter what size puddle we have, as long as it goes across the metal

11)Some important pieces of equipment to use while working with a welding torch are

  1. Welding goggles
  2. Safety Glasses
  3. Welding Gloves
  4. All of the above

12)To light the torch, we crack the oxygen valve a 1/16th to an 1/8th of a turn and light it with the striker.

  1. True
  2. False

13)We have a primary and secondary set of regulators on our OAW equipment.

  1. True
  2. False

14) The emergency shut-off valve inside the shop,turns off which gas?

  1. Oxygen
  2. Acetylene

15)The torch body we use for welding is a standard torch body. We could also use it for Oxy-Fuel Cutting.

  1. True
  2. False

Question #16 is worth 5 points

16)Use the diagram provided to compare and contrast (what is similar, and what is different) the Oxy-Acetylene Welding, and Oxy-Fuel Cutting processes.