Day 1 Euic

50 Questions | Total Attempts: 66

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Day 1 Euic

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Questions and Answers
  • 1. 
     When using resistorized detonators the maximum stray voltage allowed is_______ millivolts, if a stray current survey is performed and the stray current is below______ milliampre and you did all the necessary attempts to reduce the stray voltage below_____millivolt
  • 2. 
     When using electrically initiated detonators signs reading "Danger Explosives: Turn off Two way radios" must be posted at every entrance and exit location.
    • A. 

      True

    • B. 

      False

  • 3. 
     When doing a stray current test you must add the D.C. stray current to the A.C. stray current
    • A. 

      True

    • B. 

      False

  • 4. 
     When checking stray voltage, you must check for both A.C. and D.C. voltage.
    • A. 

      True

    • B. 

      False

  • 5. 
     When calculating stray voltage you must subtract negative values from positive values to determine the total DC stray voltage.
    • A. 

      True

    • B. 

      False

  • 6. 
     Welding operations may continue as long as it does not contact the wellhead or any structure that touches the wellhead.
    • A. 

      True

    • B. 

      False

  • 7. 
     Warning signs reading “Danger-Explosives” or the equivalent are not required to be displayed at the immediate loading site when using resistorized Detonators
    • A. 

      True

    • B. 

      False

  • 8. 
     There are _______  types of Primary explosive chemicals
  • 9. 
     The term that is used to describe the ability of an explosive to survive for long periods of time or withstand high temperatures.  
    • A. 

      Sensitivity

    • B. 

      Stability

    • C. 

      Deflagration

    • D. 

      Detonator

  • 10. 
     The RED line of detonators may be used in enviroments with stray voltage condition up to?
    • A. 

      250mV

    • B. 

      120V

    • C. 

      2V

    • D. 

      200A

  • 11. 
     The maximum permissable stray voltage for wireline operations is?
    • A. 

      250mV

    • B. 

      .25V

    • C. 

      2V

    • D. 

      2.5V

  • 12. 
     The grounding cables must be connected _____________ the stray voltage test?
    • A. 

      During

    • B. 

      Before

    • C. 

      After

  • 13. 
     The first thing that the EUIC should do when arriving at location is?
    • A. 

      Conduct a stray voltage test

    • B. 

      Begin rigging up

    • C. 

      Meet with the client and conduct operations review

    • D. 

      Hold a safety meeting

  • 14. 
     The EUIC must document the results of the stray voltage test?
    • A. 

      True

    • B. 

      False

  • 15. 
     It is acceptable to perform that stray voltage test with a Simpson meter.
    • A. 

      True

    • B. 

      False

  • 16. 
     If stray voltage is greater than 250mV the EUIC should.  
    • A. 

      Call for red detonators

    • B. 

      Use resistorized detonators

    • C. 

      Attempt to eliminate the source of voltage and perform a stray current test

    • D. 

      Connect the grounding clamps and perform the stray voltage test again

  • 17. 
     For a person to be initially qualified as an EUIC to arm and initiate Explosive Devices with electric detonators they must;
    • A. 

      The person must complete Explosive Safety Course HEXPL01895 8-Hour Course.

    • B. 

      Must attend PSL specific Course (Explosive User In Charge)

    • C. 

      Must complete annual Explosive Refresher Course HEXPL02858

    • D. 

      Must be certified by the LESO, FSQC, SC on a well site audit

    • E. 

      Only answer (B) and (C) is correct

    • F. 

      Answers A, B, and D are correct.

  • 18. 
     Explosive signs should be placed a minimunm of _____________ from all entrances and exits to location
    • A. 

      1000 feet

    • B. 

      1000 Meters

    • C. 

      100 feet

    • D. 

      200 feet

  • 19. 
     Detonation of explosive chemicals will produce a shockwave ________ than the ________ of sound in the surrounding medium.
  • 20. 
     Conduct stray voltage test after connecting the grounding cables to ensure that stray voltage is below 2 volts
    • A. 

      True

    • B. 

      False

  • 21. 
     Api RP 67 states that all voltages above ___________ must be investigated and eliminated.  
    • A. 

      .25V

    • B. 

      2.5V

    • C. 

      250V

    • D. 

      .025V

  • 22. 
     Any meter capable of measuring voltage and current may be used to check an explosive device?
    • A. 

      True

    • B. 

      False

  • 23. 
     All detonators should be stored in __________ unless being immediatly used?
    • A. 

      Type III magazine

    • B. 

      Detonator safety tube

    • C. 

      Locked storage box

  • 24. 
     A stray voltage test must be conducted after connecting the ground clamps.
    • A. 

      True

    • B. 

      False

  • 25. 
    Which of the following must be turned off during the use of core guns?  
    • A. 

      Ship to shore

    • B. 

      Two way radios

    • C. 

      Satellite communications

    • D. 

      All of the above

    • E. 

      Only A and B

    • F. 

      Only D