Electrostatic Discharge

30 Questions | Total Attempts: 56

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Electrostatic Discharge

Annual ESD test


Questions and Answers
  • 1. 
    Any circuit board, wiring board,module or assembly containing discrete ESD sensitive parts shall be considered ESD
    • A. 

      True

    • B. 

      False

  • 2. 
    Bench top ionizers are used to _____________static charges on non-conductive or underground conductive items at the ESD control work station.
    • A. 

      A.Charge?

    • B. 

      B.Remove?

    • C. 

      C.Discharge?

    • D. 

      D.Neutralize?

  • 3. 
    Components are safe from ESD once they are mounted on printed circuit boards
    • A. 

      True

    • B. 

      False

  • 4. 
    Death from electric shock can occur at or above 100 milliamps of AC current
    • A. 

      True

    • B. 

      False

  • 5. 
    Depending on the contruction of the device, ESD damage can be cuased by__________?
    • A. 

      A.Voltage and humidity?

    • B. 

      B.Current and voltage?

    • C. 

      C.Voltage and electrical properties?

    • D. 

      D.Humidity and electrical properties?

  • 6. 
    ESD susceptability stops when
    • A. 

      A.The item is stored in a secure area?

    • B. 

      B.A complete electrostatic shield exist around the item?

    • C. 

      C.A complete electromagnetic shield exist around the item?

    • D. 

      D.When the item is placed on any type of surface?

  • 7. 
    Every person handling ESD items must be given awareness training to include, as a minimum,
    • A. 

      A.Watch ESD films?

    • B. 

      B.Supervisors training?

    • C. 

      C.Watch 2 hour reinactment of an ESD mishap?

    • D. 

      D.Familiarization with T.O. 00-25-234, sec VII?

  • 8. 
    Grounds for ESD work stations will be checked___________
    • A. 

      A.When installed and annually?

    • B. 

      B.Annually?

    • C. 

      C.When relocated and annually?

    • D. 

      D.When installed,relocated and annually?

  • 9. 
    High humidity will solve any ESD problems?
    • A. 

      True

    • B. 

      False

  • 10. 
    How do you store ESD items such as bench stock
    • A. 

      A.Mark outside of the in large red letters"CAUTION ESD"?

    • B. 

      B.Mark outside of the cabinet with any ESD label unless all ESD items are enclosed?

    • C. 

      C.In a ground cabinet and parts are to be bubble rapped?

    • D. 

      D.In a cabinet away from moisture and light?

  • 11. 
    How many types types of static control work stations are there?
    • A. 

      A.1

    • B. 

      B.3

    • C. 

      C.5

    • D. 

      D.4

  • 12. 
    It's "OK" to use the round female equipment grounding connector hole (third wire) to ground ESD control work stations
    • A. 

      True

    • B. 

      False

  • 13. 
    Masking,scotch, and duct tape can be used to mark anti-static bags
    • A. 

      True

    • B. 

      False

  • 14. 
    Personnel working at an ESD control work station where circuit board, wiring board or module repair is being performed shall__________
    • A. 

      A.Rool up shirt sleeves above thier elbows prior to and during the repair?

    • B. 

      B.Touch a metal surface to ground themselves out?

    • C. 

      C.Yell out"ESD has left the building"?

    • D. 

      D.Ground out all of thier tools prior to starting work?

  • 15. 
    Shop replaceable units or any end item, if made of a metal chassis or conductive material, will act as an electrostatic shield if the connector are_______________?
    • A. 

      A.Left alone?

    • B. 

      B.Covered with masking tape?

    • C. 

      C.Coverd with your hand?

    • D. 

      D.Capped with a conductive material?

  • 16. 
    Static control work stations must be tested every________
    • A. 

      A.Upon installation, relocation and annually?

    • B. 

      B.Every 5 years?

    • C. 

      C.Every quarter?

    • D. 

      D.Every year?

  • 17. 
    Static electricity is__________________?
    • A. 

      A.The blue bolt of light that comes from your body to metallic object?

    • B. 

      B.An electrical charge at rest?

    • C. 

      C.Between 110 and 220 volts?

    • D. 

      D.A plasma arc from your body to another body at rest?

  • 18. 
    The personal wrist strap shall not be worn when working on energized equipment
    • A. 

      True

    • B. 

      False

  • 19. 
    The single most important item for effective static control is a :
    • A. 

      A.Wrist strap?

    • B. 

      B.Common ground point system?

    • C. 

      C.Ground tools?

    • D. 

      D.Static dissapative work surface?

  • 20. 
    The three factors that determine the serverity of electrical shock are:
    • A. 

      A.Amount of voltage, distance from the common point ground,presence of wire in the area?

    • B. 

      B.Time the current flow through your body, amount of applied voltage, resistance of your skin?

    • C. 

      C.Any metal making contact to your skin, amount of skin resistance, age of victim?

    • D. 

      D.magnetude of current flowing through your body, path of current through your body, time the current flows through your body?

  • 21. 
    The two rules that will substantially reduce the risk of ESD damage are: 1.Handle all ESD items at a approved workstation? 2.Transport and store all ESD items in a static control sheilding and non-charge generating packages and containers?
    • A. 

      True

    • B. 

      False

  • 22. 
    Walking across a carpet can generate an electrical voltage of____________?
    • A. 

      A.35,000 volts?

    • B. 

      B.3,500 volts?

    • C. 

      C.350 volts?

    • D. 

      D.35 volts?

  • 23. 
    What are the three principle components of a static control station?
    • A. 

      A.Floormat, common ground, and wrist strap?

    • B. 

      B.Wrist strap, floormat and wrist strap tester?

    • C. 

      C.Static dissapative work surface,wrist strap and a common ground?

    • D. 

      D.Common point ground system, ground soldering tools and ion blowers

  • 24. 
    What must be used with a camel hairbrush to clean ESD sensitive items__________
    • A. 

      A.Nothing (dry brush)?

    • B. 

      B.Water?

    • C. 

      C.50/50 isoproply alcohol?

    • D. 

      D.70% or greater isoproply alcohol?

  • 25. 
    What Technical Order governs ESD procedures?
    • A. 

      A.00-25-195

    • B. 

      B.00-25-232

    • C. 

      C.00-25-234

    • D. 

      D.00-25-115