Chicago 303 Supervising Electrician Practice Exam (Chicago Electrical Code 2018 Edition)

174 Questions | Total Attempts: 672

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Chicago 303 Supervising Electrician Practice Exam (Chicago Electrical Code 2018 Edition) - Quiz

Please choose the "best" choice for each question. You'll have 4-hours to complete the 150 question exam. Covers the following section : Principles and Practices of Electricity Chicago Administration Chapters 2,4, and 13 OSHA Safety Practices 2018 Chicago Electrical Code (NEC 2017) Good Luck!


Questions and Answers
  • 1. 
    ⦁    What is used to measure resistance directly? 
    • A. 

      Amp Meter

    • B. 

      Multi Meter

    • C. 

      Volt Meter

    • D. 

      Ohmeter

  • 2. 
    ⦁    What does this symbol represent?
    • A. 

      Adjustable capacitor 

    • B. 

      Capacitor

    • C. 

      Battery

    • D. 

      Disconnect

  • 3. 
    ⦁    What is a Ohm? 
    • A. 

      Unit of Power

    • B. 

      Unit of Electrical resistance

    • C. 

      Unit of Ampere

    • D. 

      Inductance

  • 4. 
    ⦁    What is used to measure resistance directly? 
    • A. 

      Amp Meter

    • B. 

      Multi Meter

    • C. 

      Volt Meter

    • D. 

      Ohmeter

  • 5. 
    ⦁    What is an Ampere?
    • A. 

      Rate of flow of electricity

    • B. 

      Electromotive FORCE) Is the FORCE or pressure, measured in Volts, which makes the electrons move or tends to do so.

    • C. 

      Measured in Amperes, movement or flow of electricity. 

    • D. 

      Are properties of an electrical circuit that opposes current. 

  • 6. 
    ⦁    What is Ampacity? 
    • A. 

      Always flows in the same direction 

    • B. 

      Moving in one direction reversed at regular intervals. 

    • C. 

      Maximum current in amperes, that a conductor can carry under continuously under the conditions of use without exceeding its temperature rating. 

    • D. 

      Provided that the temperature remains constant, the ratio of potential difference (p.d.) across the ends of a conductor (R) to the current (I) flowing in that conductor will also be constant

  • 7. 
    ⦁    What is Electric Current?  
    • A. 

      Are properties of an electrical circuit that opposes current. 

    • B. 

      Measured in Amperes, movement or flow of electricity. 

    • C. 

      An alternating current flows through a conductor, there is an inductive action whereby the current in the conductor is forced toward its surface. 

    • D. 

      Converting electrical in an AC system at one voltage or current into electrical power at some other voltage or current the use of rotating parts. 

  • 8. 
    ⦁    What is EMF? 
    • A. 

      Always flows in the same direction 

    • B. 

      Measured in Amperes, movement or flow of electricity. 

    • C. 

      Moving in one direction reversed at regular intervals. 

    • D. 

      FORCE or pressure, measured in Volts, which makes the electrons move or tends to do so.

  • 9. 
    ⦁    Is a Volt a unit of EMF?
    • A. 

      True

    • B. 

      False

  • 10. 
    ⦁    You can test volts with Ammeter and volt-millimeter?
    • A. 

      True

    • B. 

      False

  • 11. 
    ⦁    Direct Current
    • A. 

      Always flows in the same direction 

    • B. 

      Flows in opposite directions

    • C. 

      All of the above

    • D. 

      None of the above

  • 12. 
    ⦁    Alternating Current tends to move in one direction?
    • A. 

      True

    • B. 

      False

  • 13. 
    ⦁    Coulombs Law V=IxR Amps x Resistance Provided that the temperature remains constant, the ratio of potential difference (p.d.) across the ends of a conductor (R) to the current (I) flowing in that conductor will change.
    • A. 

      True

    • B. 

      False

  • 14. 
    ⦁    What describes the skin effect? 
    • A. 

      When an alternating current flows through a conductor, there is an inductive action whereby the current in the conductor is forced toward the inner surface.  

    • B. 

      When an alternating current flows through a conductor, there is an inductive action whereby the current in the conductor is forced toward its surface. 

    • C. 

      None of the above

  • 15. 
    ⦁    Reactance and resistance are properties of an electrical circuit that opposes current. The main difference between resistance and reactance is that resistance measures the opposition to a flow of current, whereas reactance measures the direction of current.
    • A. 

      True

    • B. 

      False

  • 16. 
    ⦁    Conductors for underground wiring
    • A. 

      Shall be XHHW

    • B. 

      Shall be THWN

    • C. 

      Shall be Wet Listed

    • D. 

      Shall be XLP

  • 17. 
    ⦁    A transformer is best described as converting electrical in an AC system at one voltage or current into electrical power at some other voltage or current the use of rotating parts. 
    • A. 

      True

    • B. 

      False

  • 18. 
    ⦁    A transformers primary winding is connected to the source of power, it will have high voltage winding only.
    • A. 

      True

    • B. 

      False

  • 19. 
    ⦁    Advantage of three-phase transformer? 
    • A. 

      Lower cost, Less efficiency, less floor space and weight, simpler wiring, less cost transportation

    • B. 

      Higher cost, higher efficiency, less floor space and weight, simpler wiring, less cost transportation

    • C. 

      Lower cost, higher efficiency, less floor space and weight, simpler wiring, less cost transportation

    • D. 

      Lower cost, higher efficiency, greater floor space and weight, simpler wiring,  more cost transportation

  • 20. 
    ⦁    If a faulty temporary GFCI receptacle is found, what should happen? 
    • A. 

      Notify supervisor on-site. 

    • B. 

      Contact the General Contractor

    • C. 

      Contact the owner

    • D. 

      Fix it immediately

  • 21. 
    ⦁    Voltage Drop @75degress for a #3/0 cable travelling a 100’ @ 15A, 120v? 
    • A. 

      .20

    • B. 

      .16

    • C. 

      .005

    • D. 

      .017

  • 22. 
    ⦁    Power factor Is the ratio of the true power or watts to the apparent power or voltamperes. 
    • A. 

      True

    • B. 

      False

  • 23. 
    ⦁    If violations that threaten life, health or safety are found,
    • A. 

      Cut power to the building.

    • B. 

      A fine of $1,000.00 will be issued.

    • C. 

      Building can be closed. 

    • D. 

      Warning will be provided.

  • 24. 
    ⦁    If a sign permit has been denied, what option does the contractor have, who has the final say?
    • A. 

      (AHJ) Building Commissioner 

    • B. 

      Inspector

    • C. 

      General Contractor

    • D. 

      Supervising Electrician

  • 25. 
    ⦁    What is the permit fee for an electrical sign 3x4 ft double sided sign?
    • A. 

      Review fee $80 plus $1.20 per Sq. Ft. (Over 200 square.ft.)

    • B. 

      Review fee $20 plus $1.00 per Sq. Ft. (Over 100 square.ft.)

    • C. 

      Review fee $40 plus $1.50 per Sq. Ft. (Over 100 square.ft.)

    • D. 

      Review fee $600 plus $1.50 per Sq. Ft. (Over 100 square.ft.)

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