Test Your Welding Knowledge! Trivia Test! Quiz

25 Questions | Total Attempts: 2129

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Test Your Welding Knowledge! Trivia Test! Quiz

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Questions and Answers
  • 1. 
    The gas metal arc welding process is also known as:
    • A. 

      Shielded metal arc welding.

    • B. 

      Flux cored arc welding.

    • C. 

      MIG welding.

    • D. 

      Self-shielding process

  • 2. 
    Ideally, a welding power source should be located in:
    • A. 

      The centre area of the shop.

    • B. 

      A confined area at floor level.

    • C. 

      An uncluttered, well ventilated area of the shop.

    • D. 

      An unventilated, specially enclosed mezzanine area.

  • 3. 
    Moisture and dirt on the surface of the wire electrode is likely to cause:
    • A. 

      Post-weld stress cracking

    • B. 

      Cold lap.

    • C. 

      Porosity.

    • D. 

      Electrical shock

  • 4. 
    When arc hunting occurs, the problem is likely in the:
    • A. 

      Drive rolls or the remote control switch.

    • B. 

      Wire feeder drive motor or the motor gearbox.

    • C. 

      Contact tip or the conduit liner.

    • D. 

      Wire speed control or the voltage control.

  • 5. 
    Stubbing is caused by excessive:
    • A. 

      Resistance.

    • B. 

      Voltage.

    • C. 

      Inductance.

    • D. 

      Wire feed speed.

  • 6. 
    How will penetration be affected when stickout is increased?
    • A. 

      Will decrease penetration

    • B. 

      Penetration will not be affected

    • C. 

      Will increase penetration

    • D. 

      Will affect penetration on groove welds only

  • 7. 
    Excessive spatter buildup in the gun nozzle can cause:
    • A. 

      Undercut at the weld edges.

    • B. 

      Inadequate gas coverage.

    • C. 

      Excessive metal flow.

    • D. 

      An increase in stickout.

  • 8. 
    What can result from a poor work lead connection?
    • A. 

      Erratic wire feed speeds.

    • B. 

      Excessive penetration.

    • C. 

      An unstable arc.

    • D. 

      Overheating of the power source main transformer coil.

  • 9. 
    A gas flow meter must be installed in what position?
    • A. 

      Horizontal

    • B. 

      At a 45 degree angle

    • C. 

      Vertical

    • D. 

      On an incline

  • 10. 
    Which GMAW mode of metal transfer is best suited for all-position welding?
    • A. 

      Spray arc transfer

    • B. 

      Pulsed spray arc transfer

    • C. 

      Globular transfer

    • D. 

      Submerged arc transfer

  • 11. 
    The purpose of a flowmeter is to:
    • A. 

      Reduce source pressure to working pressure.

    • B. 

      Maintain a constant pressure of gas.

    • C. 

      Maintain a post flow of gas.

    • D. 

      Maintain a constant flow of gas.

  • 12. 
    Which gas is the lightest?
    • A. 

      Argon

    • B. 

      Hydrogen

    • C. 

      Helium

    • D. 

      Oxygen

  • 13. 
    Argon and helium are:
    • A. 

      Inert gases

    • B. 

      Ionized gases

    • C. 

      Reactive gases

    • D. 

      Explosive gases

  • 14. 
    When 1% to 5% oxygen is added to argon shielding gas, it is to:
    • A. 

      Reduce welding costs.

    • B. 

      Improve wetting action.

    • C. 

      Reduce deposition rate

    • D. 

      Reduce splatter

  • 15. 
    Compared to CO2, argon is an excellent shielding gas for GMAW because it allows the use of:
    • A. 

      Spray metal transfer.

    • B. 

      Globular metal transfer.

    • C. 

      Short-circuit metal transfer.

    • D. 

      Low gas flow rates in globular transfer.

  • 16. 
    With GMAW wire, cast refers to the:
    • A. 

      Ability of the wire to be pushed through a plastic liner.

    • B. 

      Method of forming the wire

    • C. 

      Circle formed by one wrap of the wire.

    • D. 

      Natural twisting action of the wire during forming.

  • 17. 
    Which organizations have written specifications for GMAW filler metals?
    • A. 

      WCB and CSA

    • B. 

      CWB and AWS

    • C. 

      ASME and CWB

    • D. 

      AWS and CSA

  • 18. 
    When wires are packaged in sealed containers, it is mainly to protect them from:
    • A. 

      Transportation damage.

    • B. 

      Smoke and fumes

    • C. 

      Moisture contamination

    • D. 

      Ultraviolet light radiation.

  • 19. 
    Excessive drag from a dirty liner is likely to cause:
    • A. 

      Excessive undercut or lack of fusion

    • B. 

      Porosity and cracking in the weld.

    • C. 

      Damage to the liner and contact tip.

    • D. 

      Slippage or bird nesting at the drive rolls.

  • 20. 
    Excessive penetration in a localized area of a metal is referred to as:
    • A. 

      Under-cutting

    • B. 

      Burn-through

    • C. 

      Inclusion

    • D. 

      Slope

  • 21. 
    The melting together of metals is referred to as:
    • A. 

      Fusion

    • B. 

      Inclusion

    • C. 

      Stubbing

    • D. 

      Porosity

  • 22. 
    The natural twisting action of the wire during forming is referred to as what?
    • A. 

      Curling

    • B. 

      Spiraling

    • C. 

      Helix

    • D. 

      Rotation

  • 23. 
    The use of shielding gases for GMAW increases the need for:
    • A. 

      Good lighting.

    • B. 

      Good heat shielding.

    • C. 

      Better eye protection.

    • D. 

      Good ventilation.

  • 24. 
    High ultraviolet radiation emissions from GMAW can cause atmospheric oxygen in the vicinity of the arc to convert to:
    • A. 

      Ozone

    • B. 

      Carbon monoxide

    • C. 

      Carbon dioxide

    • D. 

      Helium

  • 25. 
    A potential source of poisonous chemical fume when welding is:
    • A. 

      Anti-spatter nozzle sprays.

    • B. 

      Chlorinated degreasing solvents.

    • C. 

      Carbon dioxide extinguishers.

    • D. 

      Inert shielding gases