Cwb Level 2 Theory Quiz #1

136 Questions | Total Attempts: 1449

SettingsSettingsSettings
Theory Quizzes & Trivia

.


Questions and Answers
  • 1. 
    Which of the following information would not normally be found on a WHMIS label:
    • A. 

      Hazardous ingredients

    • B. 

      Risk phrases

    • C. 

      Product identifier

    • D. 

      WHMIS Hazard symbol

  • 2. 
    WHMIS information is conveyed by what method:
    • A. 

      Product labels

    • B. 

      M.S.D.S

    • C. 

      Training

    • D. 

      All of the above

  • 3. 
    Creating a safe working environment is the responsibility of:
    • A. 

      Employer

    • B. 

      Employee

    • C. 

      Middle arrangement

    • D. 

      A and B are correct

    • E. 

      A and C are correct

  • 4. 
    The most hazardous voltages from welding power sources come from:
    • A. 

      Secondary side

    • B. 

      Primary side

    • C. 

      Both sides

    • D. 

      None of the above

  • 5. 
    The cable from the workpiece back to the welding machine is correctly called:
    • A. 

      Ground lead

    • B. 

      Work lead

    • C. 

      Electrode lead

    • D. 

      Terminal lead

  • 6. 
    The open-circuit voltage of most welding machines is:
    • A. 

      40

    • B. 

      60

    • C. 

      80

    • D. 

      100

  • 7. 
    If a workmate suffers an electric shock; what is the first thing to do:
    • A. 

      Do not try and pull the victim from a live contact

    • B. 

      Turn off the power

    • C. 

      Call for help

    • D. 

      Keep the victim horizontal and warm

  • 8. 
    Which of the following is not a non-ionizing radiation:
    • A. 

      Visible rays

    • B. 

      Ultraviolet rays

    • C. 

      X-rays

    • D. 

      Infrared rays

  • 9. 
    The suggested lense shade number when using the S.M.A.W. process: 1/8" electrode at 125 amps is:
    • A. 

      8

    • B. 

      10

    • C. 

      12

    • D. 

      14

  • 10. 
    Roughly how far could spatter travel when welding or cutting on a structure about 5m high:
    • A. 

      No more than 1m

    • B. 

      Up to 20m

    • C. 

      Up to 6m

    • D. 

      Possibly up to 8m

  • 11. 
    The greatest contributor to welding fume is:
    • A. 

      Electrode and flux coating

    • B. 

      Base plate

    • C. 

      Base plate coating

    • D. 

      Electrode slag

  • 12. 
    A very toxic component found in Copper is:
    • A. 

      Ozone

    • B. 

      Beryllium

    • C. 

      Zinc

    • D. 

      Tin

  • 13. 
    As a rough guide, the amount of air exchange (ventilation) measured in cubic feet per hour per welder is:
    • A. 

      1000

    • B. 

      2000

    • C. 

      3000

    • D. 

      4000

  • 14. 
    The type of gas formed by the interaction of ultraviolet light, emitted from the arc, with the oxygen in the air is:
    • A. 

      Phosgene

    • B. 

      Carbon Monixide

    • C. 

      Ozone

    • D. 

      Carbon Dioxide

  • 15. 
    If a worker is standing next to two machines, each producing a noise level of 95 dBA, what noise level is the worker exposed to:
    • A. 

      92 dBA

    • B. 

      95 dBA

    • C. 

      98 dBA

    • D. 

      190 dBA

  • 16. 
    Which of the following fuel gases are lighter than air:
    • A. 

      Propane

    • B. 

      Butane

    • C. 

      Propylene

    • D. 

      Acetylene

  • 17. 
    Fusible plugs melt as low as:
    • A. 

      165°F

    • B. 

      195°F

    • C. 

      212°F

    • D. 

      240°F

  • 18. 
    The welding process which involves the use of a concentrated beam of light to generate the heat for metal fusion is:
    • A. 

      Electron beam welding

    • B. 

      Laser welding

    • C. 

      Resistance welding

    • D. 

      Thermit welding

  • 19. 
    Face piece respirators with mechanical filters will be effective in:
    • A. 

      Removing all fumes and gases in the air

    • B. 

      Making up any deficiency in oxygen in the air

    • C. 

      Removing all types of harmful gases

    • D. 

      Reducing the exposure to particulates in the air

  • 20. 
    Which of the following is not a basic weld:
    • A. 

      Groove

    • B. 

      Fillet

    • C. 

      Butt

    • D. 

      Plug

  • 21. 
    One of the following is considered to be one of the basic weld types:
    • A. 

      Edge weld

    • B. 

      Butt weld

    • C. 

      Lap weld

    • D. 

      Corner weld

  • 22. 
    In a T-joint, which preparation cannot be used:
    • A. 

      J-groove

    • B. 

      U-groove

    • C. 

      Square groove

    • D. 

      Bevel groove

  • 23. 
    The minimum distance from the root of the weld to its face, less any reinforcement is:
    • A. 

      Actual throat

    • B. 

      Theoretical throat

    • C. 

      Effective throat

    • D. 

      Leg size

  • 24. 
    Which of the following is not a basic joint:
    • A. 

      Groove

    • B. 

      Butt

    • C. 

      Lap

    • D. 

      Edge

  • 25. 
    That portion of the joint to be welded where the members are closest to each other is termed:
    • A. 

      Root edge

    • B. 

      Root face

    • C. 

      Root gap

    • D. 

      Root opening

Back to Top Back to top