Electrical Definition Exam Quiz

30 Questions | Total Attempts: 218

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Electrical Quizzes & Trivia

Questions and Answers
  • 1. 
    - The SI unit of electric charge equal to the quantity of electricity     transferred      along the conductor by a current of one ampere in one second
    • A. 

      KILOWATT (kW)

    • B. 

      COULUMB (C)

    • C. 

      WATTAGE

    • D. 

      POTENTIAL DIFFERENCE

  • 2. 
    The energy per unit charge available for conversion from a chemical,          mechanical or other form of energy into electrical energy or vice versa in a     conversion devise as a battery, generator or a motor
    • A. 

      ELECTROMOTIVE FORCE (emf)

    • B. 

      VOLTAGE

    • C. 

      AMPERE (A)

    • D. 

      OHM

  • 3. 
    The basic SI unit of electric current, equivalent to a flow of one coulomb     per       second or to the steady current produced by one volt applied to one   resistance of   one ohm
    • A. 

      AMPERAGE

    • B. 

      CIRCUIT

    • C. 

      AMPERE (A)

    • D. 

      PARALLEL

  • 4. 
    The SI unit equal to one joule per second or to the power represented by     a          current of one ampere flowing across a potential difference of one volt             W= V x A
    • A. 

      WATT (W)

    • B. 

      ELECTROMOTIVE FORCE (emf)

    • C. 

      POTENTIAL DIFFERENCE

    • D. 

      RESISTANCE (R)

  • 5. 
    The strength of an electric current measured or expressed in amperes:       analogous to the rate of water flow
    • A. 

      AMPERAGE

    • B. 

      RESISTANCE (R)

    • C. 

      BATTERY

    • D. 

      ELECTRODE

  • 6. 
    A pliable metallic strand or twisted or woven assembly of such strands        often    insulated with a dielectric material and used as a conductor of    electricity
    • A. 

      INSULATOR

    • B. 

      WIRE

    • C. 

      NON- METALLIC SHEATED CABLE

    • D. 

      SHIELDED CABLE

  • 7. 
    An electric cable enclosed within a metallic sheath in order to reduce the    effects of external electric or magnetic fields
    • A. 

      COAXIAL CABLE

    • B. 

      FLEXIBLE METAL CONDUIT

    • C. 

      RIGID METAL CONDUIT

    • D. 

      SHIELDED CABLE

  • 8. 
    The minimum applied voltage at which a given insulator breaks down and   permits current to pass
    • A. 

      BREAKDOWN VOLTAGE

    • B. 

      DIELECTRIC

    • C. 

      JUNCTION BOX

    • D. 

      GROMMET

  • 9. 
    An enclosure for housing and protecting electric wires or cables that are     joined together in connecting or branching electric circuits
    • A. 

      PULL BOX

    • B. 

      THWN

    • C. 

      INSULATOR

    • D. 

      JUNCTION BOX

  • 10. 
    An amount of power especially the power required to operate an     electrical          device or appliance, expressed in watts
    • A. 

      WATTAGE

    • B. 

      KILOWATT (kW)

    • C. 

      COULUMB (C)

    • D. 

      WATT (W)

  • 11. 
    A unit of power equal to 1,000 watts  
    • A. 

      KILOWATT-HOUR (kWh)

    • B. 

      POTENTIAL DIFFERENCE

    • C. 

      VOLTAGE

    • D. 

      KILOWATT (kW)

  • 12. 
    Potential difference or electromotive force expressed in volts: analogous    to         pressure in water flow
    • A. 

      VOLT (V)

    • B. 

      CURRENT

    • C. 

      VOLTAGE

    • D. 

      AMPERE (A)

  • 13. 
    The opposition of a conductor to the flow of current, causing some of the    electric            energy to be transformed into heat and usually measured in ohms
    • A. 

      AMPERE (A)

    • B. 

      AMPERAGE

    • C. 

      OHM

    • D. 

      RESISTANCE (R)

  • 14. 
    The principle that the rate of production of heat by direct current is directly proportional to the resistance of the circuit and to the square of the current
    • A. 

      CIRCUIT

    • B. 

      CONDUCTIVITY

    • C. 

      RESISTIVITY

    • D. 

      JOULE’S LAW

  • 15. 
    A measure of the ability of a substance to conduct electric current, equal    to the reciprocal of the resistivity of the substance. Also called specific           conductance.
    • A. 

      CONDUCTIVITY

    • B. 

      SERIES

    • C. 

      PARALLEL

    • D. 

      BATTERY

  • 16. 
    RHW
    • A. 

      Moisture resistant thermoplastic

    • B. 

      Moisture and heat resistance rubber

    • C. 

      Asbestos and varnished cambric

    • D. 

      Silicone asbestos

  • 17. 
    XHHW
    • A. 

      Silicone asbestos

    • B. 

      Heat resistant thermoplastic

    • C. 

      Moisture & heat resistant thermoplastic

    • D. 

      Moisture & heat resistant cross linked

  • 18. 
    THW
    • A. 

      Moisture & heat resistant thermoplastic

    • B. 

      Moisture resistant thermoplastic

    • C. 

      Moisture and heat resistance rubber

    • D. 

      Asbestos and varnished cambric

  • 19. 
    Used as supports and for additional protection for wires
    • A. 

      CUT OUT BOX

    • B. 

      INSULATOR

    • C. 

      OUTLET BOX

    • D. 

      BUSHING

  • 20. 
    Where cable ends
    • A. 

      UTILITY BOX

    • B. 

      PULL BOX

    • C. 

      CUT OUT BOX

    • D. 

      OUTLET BOX

  • 21. 
    Metal box with hinge & enclosure. House or fuse box  
    • A. 

      CUT OUT BOX

    • B. 

      OUTLET BOX

    • C. 

      PULL BOX

    • D. 

      UTILITY BOX

  • 22. 
    A rubber or plastic washer inserted in a hole in a metal part to prevent         grounding of a wire passing through the hole
    • A. 

      KNOCKOUT

    • B. 

      GROMMET

    • C. 

      JUNCTION BOX

    • D. 

      BUSHING

  • 23. 
    The maximum voltage that can be applied to a given material without          causing it to breakdown, usually expressed in volts or kilovolts per unit of        thickness
    • A. 

      DIELECTRIC STRENGTH

    • B. 

      DIELECTRIC

    • C. 

      BREAKDOWN VOLTAGE

    • D. 

      CABLE TRAY

  • 24. 
    An open metal framework for supporting insulated electrical conductors
    • A. 

      BUS DUCT

    • B. 

      DUCT

    • C. 

      MULTI- OUTLET ASSEMBLY

    • D. 

      CABLE TRAY

  • 25. 
    A surface mounted raceway designed to house the electrical wires for a     circuit and a series of receptacles
    • A. 

      MULTI- OUTLET ASSEMBLY

    • B. 

      SURFACE RACEWAY

    • C. 

      RACEWAY

    • D. 

      FLEXIBLE METAL CONDUIT

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