Electrical Quiz Set B

100 Questions | Total Attempts: 221

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Electrical Quiz Set B - Quiz

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Questions and Answers
  • 1. 
    A phenomena resulting from the PRESENCE and/or FLOW of ELECTRIC CHARGE.
    • A. 

      Current

    • B. 

      Voltage

    • C. 

      Electricity

    • D. 

      Resistance

  • 2. 
    A fundamental PROPERTY of subatomic particles
    • A. 

      Electric Charge

    • B. 

      Electrical Power

    • C. 

      Electrical Energy

    • D. 

      Electrical Engineering

  • 3. 
    The FLOW of electrons or electric charges in a circuit
    • A. 

      Current

    • B. 

      Voltage

    • C. 

      Electricity

    • D. 

      Resistance

  • 4. 
    The OPPOSITION to the flow of electrons in a circuit
    • A. 

      Current

    • B. 

      Voltage

    • C. 

      Electricity

    • D. 

      Resistance

  • 5. 
    The POTENTIAL difference between two points in a circuit
    • A. 

      Current

    • B. 

      Voltage

    • C. 

      Electricity

    • D. 

      Resistance

  • 6. 
    The RATE of doing work; the PRODUCT of VOLTAGE and CURRENT in a circuit
    • A. 

      Electric Charge

    • B. 

      Electrical Power

    • C. 

      Electrical Energy

    • D. 

      Electrical Engineering

  • 7. 
    The CAPACITY to do work
    • A. 

      Electric Charge

    • B. 

      Electrical Power

    • C. 

      Electrical Energy

    • D. 

      Electrical Engineering

  • 8. 
    SAFETY is its top PRIORITY
    • A. 

      Electric Charge

    • B. 

      Electrical Power

    • C. 

      Electrical Energy

    • D. 

      Electrical Engineering

  • 9. 
    Unit is watt (W)
    • A. 

      Electric Charge

    • B. 

      Electrical Power

    • C. 

      Electrical Energy

    • D. 

      Electrical Engineering

  • 10. 
    Unit is watt-second (Ws); we buy it from MERALCO in kilowatt-hour (kWh).
    • A. 

      Electric Charge

    • B. 

      Electrical Power

    • C. 

      Electrical Energy

    • D. 

      Electrical Engineering

  • 11. 
    Are achieved by the use of current transformers and solid-state circuitry that monitors the current and initiates tripping through a flux shunt trip when an overload or short circuit is present.
    • A. 

      Electronic rms Trip Breakers

    • B. 

      Thermal-Magnetic Breakers

    • C. 

      Arc Extinguishers

    • D. 

      Earth leakage circuit breakers

  • 12. 
    Achived through the use of a bimetal heated by the load current. because bimetals are responsive to the heat emitted by the current flow, they allow a long time delay on light overloads, yet they have a fast response on heavier overloads.
    • A. 

      Electronic rms Trip Breakers

    • B. 

      Thermal-Magnetic Breakers

    • C. 

      Arc Extinguishers

    • D. 

      Earth leakage circuit breakers

  • 13. 
    Its function is to combine, divide, and extinguish the arc drawn between opening breaker contacts.
    • A. 

      Electronic rms Trip Breakers

    • B. 

      Thermal-Magnetic Breakers

    • C. 

      Arc Extinguishers

    • D. 

      Earth leakage circuit breakers

  • 14. 
    It consists of specially shaped steel grids isolated from each other and supported by an insulating housing.
    • A. 

      Electronic rms Trip Breakers

    • B. 

      Thermal-Magnetic Breakers

    • C. 

      Arc Extinguishers

    • D. 

      Earth leakage circuit breakers

  • 15. 
    Offers ground fault protection and improved ground fault coordination capability.
    • A. 

      Electronic rms Trip Breakers

    • B. 

      Thermal-Magnetic Breakers

    • C. 

      Arc Extinguishers

    • D. 

      Earth leakage circuit breakers

  • 16. 
    A large single panel, frame or assembly of panels consisting of switches, overcurrent and other protective devices, busbars and usually metering instruments.
    • A. 

      Panelboard

    • B. 

      Circuit breaker

    • C. 

      Fuse

    • D. 

      Switchboard

  • 17. 
    It is a device intended to provide protection from the effects of arc faults by recognizing characteristics unique to arcing and by functioning to de-energize the circuit when an arc fault is detected.
    • A. 

      Electronic rms Trip Breakers

    • B. 

      AFCI Circuit Breakers

    • C. 

      Arc Extinguishers

    • D. 

      Earth leakage circuit breakers

  • 18. 
    A single panel or group of panel units assembled in the form of a single panel consisting of busbars, automatic overcurrent devices, and switches for the control of light, heat, motor or power circuits. It is designed to be placed in a cabinet or cutout box installed in or against a wall or partition and is accessible only from the front.
    • A. 

      Panelboard

    • B. 

      Lighting and Appliance Panelboard

    • C. 

      Power Panels

    • D. 

      Switchboard

  • 19. 
    Switching device capable of making, carrying and breaking currents under normal condition, making currents at specified time, and/or breaking currents under specified abnormal circuit conditions, such as short circuits.
    • A. 

      Generator

    • B. 

      Circuit breaker

    • C. 

      Transformer

    • D. 

      Switchboard

  • 20. 
    An overcurrent protective device with circuit-opening fusible member, which is heated and severed by passage of overcurrent through it.
    • A. 

      Panelboard

    • B. 

      Circuit breaker

    • C. 

      Fuse

    • D. 

      Switchboard

  • 21. 
    A panelboard where more than 10% of its branch-circuit breakers or fuses are rated 30 amperes or less and with provisions for neutral connections and contains no more than 42 overcurrent devices.
    • A. 

      Panelboard

    • B. 

      Lighting and Appliance Panelboard

    • C. 

      Power Panels

    • D. 

      Switchboard

  • 22. 
    A panelboard which has no limits on the number of overcurrent devices.
    • A. 

      Panelboard

    • B. 

      Lighting and Appliance Panelboard

    • C. 

      Power Panels

    • D. 

      Switchboard

  • 23. 
    Are used to transfer the load or source of power from one point to another. It is often used in connection with standby or emergency power supplies.
    • A. 

      Isolating (Disconnecting Switch)

    • B. 

      Branch Circuit Conductor

    • C. 

      Transfer Switch

    • D. 

      Switchboard

  • 24. 
    Form of general-use switch for isolating an electric circuit from the source of power
    • A. 

      Isolating (Disconnecting Switch)

    • B. 

      Branch Circuit Conductor

    • C. 

      Transfer Switch

    • D. 

      Switchboard

  • 25. 
    It is a device that transfers electric energy from one circuit to another. It is frequently used, in electric power distribution, to step-up or step down the voltage and/or isolate one electric circuit to another.
    • A. 

      Generator

    • B. 

      Circuit breaker

    • C. 

      Transformer

    • D. 

      Switchboard

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