Building Construction (Electrical Systems)

37 Questions | Total Attempts: 84

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Building Construction Quizzes & Trivia

Questions and Answers
  • 1. 
    Form of energy generated  by friction, induction or chemical change, having magnetic, chemical and radiant effect. The motion of free electrons through a solid conductor. 
  • 2. 
    Combination of two or more electric cells capable of storing and supplying direct current. 
  • 3. 
    Battery that delivers electricity as soon as its parts are assembled, provided that it is connected to a circuit. 
  • 4. 
    Battery that has electricity from some external source must be passed through it before it can deliver an electric current. 
  • 5. 
    Machine that converts mechanical energy into electrical energy. 
  • 6. 
    AC
  • 7. 
    DC
  • 8. 
    Circular raceways used to enclose wires and cable and are of metal or plastic
  • 9. 
    Channels or wiring accessories used for holding wires, cables, bus bars. 
  • 10. 
    Wiring device into which the utilization equipment cord is plugged into. 
  • 11. 
    Device for making, breaking, or changing conditions in an electrical circuit under the conditions of load. 
  • 12. 
    Coverings for switches and wall outlets made of metal or of phenolic compound. 
  • 13. 
    Melts if there is any current that would be dangerous to the circuit. 
  • 14. 
    Protective device designed to function as a switch
  • 15. 
    Box wherein the protective devices are housed from which the circuits and busbars terminate. 
  • 16. 
    Auxiliary power station where electrical current is converted or where voltage is stepped up or down.
    • A. 

      Service drop

    • B. 

      Substation

    • C. 

      Transformer vault

    • D. 

      Line drop

  • 17. 
    Underground portion of service conductors extending from a main power line or transformer to a building. 
    • A. 

      Service lateral

    • B. 

      Substation

    • C. 

      Feeder

    • D. 

      Service drop

  • 18. 
    Meter for measuring and recording the quantity of electric power consumed with respect to time
    • A. 

      Service entrance conductor

    • B. 

      Service

    • C. 

      Watt-hour meter

    • D. 

      Uninterruptible power supply

  • 19. 
    Pertaining to a circuit in which alternating current below 50 volts is supplied by a step-down transformer from the normal line voltage used in residential systems. do not require a protective raceway. 
    • A. 

      Low-voltage

    • B. 

      Distribution panel

    • C. 

      High-voltage

    • D. 

      Mid-voltage

  • 20. 
    Branch circuit that supplies current in a number of outlets for lighting and appliances.
  • 21. 
    Branch supplies current in one or more outlets specifically intended for appliances.
  • 22. 
    Branch circuit that supplies current only to a single piece of electrical equipment. 
  • 23. 
    Metal that is most preferred in all conductor types
  • 24. 
    Smallest wire permitted. 
    • A. 

      21

    • B. 

      11

    • C. 

      14

    • D. 

      13

  • 25. 
    Large conductors which are not circular in cross section and are usually found only to supply the main switch boards.
    • A. 

      Wires

    • B. 

      Bus bars

    • C. 

      Cables

    • D. 

      Stranded wire