Railroad Terminology Quiz
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Questions and Answers

What is the main purpose of an Absolute Block?

  • To prevent more than one train from occupying the block at the same time (correct)
  • To control the speed of trains
  • To allow trains to switch tracks
  • To ensure that more than one train can occupy the block at the same time
  • What is the function of an 'A' Car?

  • To carry passengers
  • To carry cargo
  • To provide power to the train
  • To provide an Engineer's cab (correct)
  • What is the definition of Adjacent Tracks?

  • Tracks that are not parallel to each other
  • Two or more tracks with track centerlines spaced less than 25 feet apart (correct)
  • Two or more tracks with track centerlines spaced more than 25 feet apart
  • Two or more tracks with track centerlines spaced exactly 25 feet apart
  • What is the purpose of an Automatic Block Signal System?

    <p>To regulate the spacing of trains</p> Signup and view all the answers

    What is the function of an Automatic Train Stop?

    <p>To cause a full emergency application of the brakes if a train fails to stop prior to a signal indicating STOP</p> Signup and view all the answers

    What is the purpose of Ballast?

    <p>To support the track structure, ties, and rail</p> Signup and view all the answers

    What is the definition of a Block?

    <p>A length of track of defined limits, the use of which by trains is governed by block signals or verbal block indication</p> Signup and view all the answers

    What is the condition known as Bridging?

    <p>When a rail car becomes a conducting element between an energized section and a de-energized section of Third Rail</p> Signup and view all the answers

    What is the purpose of an Automatic Train Operation (ATO) system?

    <p>To operate the train to and from stations, and open and close the doors</p> Signup and view all the answers

    What is the function of an Automatic Train Control (ATC) system?

    <p>To enforce compliance with cab and wayside signal indications</p> Signup and view all the answers

    Study Notes

    Railroad Terminology

    • An Absolute Block is a block that cannot be occupied by more than one train at a time.
    • An "A" Car is a rail car equipped with an Engineer's cab.

    Tracks

    • Adjacent Tracks are two or more tracks with track centerlines spaced less than 25 feet apart.
    • Adjacent Controlled Tracks are controlled tracks with track centers spaced 19 feet or less from the occupied track.

    Signaling

    • An Aspect is the appearance of a fixed signal viewed from the direction of an approaching train (e.g. green light).
    • An Automatic Block Signal System is a series of track sections governed by block signals actuated by trains, controlling the spacing of trains.
    • Automatic Block Signals are fixed signals at the entrance of a block or track section, governing the movement of approaching trains, identified by a number and the letter Z or D.

    Train Control Systems

    • Automatic Train Control (ATC) is a system to enforce compliance with cab and wayside signal indications.
    • Automatic Train Operation (ATO) is a system where carborne equipment operates the train to and from stations, and opens and closes the doors, supervised by the Conductor and the Train Engineer.
    • An Automatic Train Stop is a device that causes a full emergency application of the brakes if a train fails to stop prior to a signal indicating STOP.

    Track Infrastructure

    • Ballast is sized rock or concrete placed on the roadbed to support the track structure, ties, and rail, and to hold the track in line and surface.

    Train Operations

    • A Block is a length of track of defined limits, governed by block signals or verbal block indication.
    • Bridging occurs when a rail car becomes a conducting element between an energized section and a de-energized section of Third Rail.
    • A "C" Car is a rail car without an Engineer's cab.
    • Clearance is the suitable amount of space or distance required to allow a train or other vehicle to pass without obstruction.
    • A Collector Train is a train operated without customers for the collection of revenue at stations.
    • A Consist is two or more cars coupled together to make up a train.
    • A Contact Shoe is a device that conducts electrical current from the Third Rail to the railcar.
    • The Control Center is the central location from which PATH operations are controlled.

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    Description

    Test your knowledge of railroad terminology, including blocks, tracks, and signaling. Learn about Absolute Blocks, Adjacent Tracks, and more.

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