Letp 14-1 NORAC Interlocking And Controlled Points

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  • 1/30 Questions

    If there is a derailment or if any damage occurs to the interlocking, stop signals must be displayed and blocking devices applied and the Dispatcher must be notified.

    • True
    • False
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Letp 14-1 NORAC Interlocking And Controlled Points - Quiz
About This Quiz

This quiz assesses knowledge on NORAC interlocking and controlled points, focusing on where rules apply, signal operations, and procedures during failures. It is essential for understanding operational protocols and ensuring safety in railroad operations.

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  • 2. 

    Interlocking and controlled point signals govern the use of an interlocking or CP. These signals must be cleared sufficiently in advance of approaching units to avoid delay.

    • True

    • False

    Correct Answer
    A. True
    Explanation
    Interlocking and controlled point signals are used to regulate the movement of trains through interlockings or controlled points. These signals need to be cleared ahead of time to ensure that approaching trains do not experience any delays. This statement is true because clearing the signals in advance allows for smooth and efficient train operations.

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  • 3. 

    When interlocking signals are being repaired all signals must remain in stop position with blocking devices applied, until all repairs are completed and all interlocking appliances are properly lined for movement.

    • True

    • False

    Correct Answer
    A. True
    Explanation
    When interlocking signals are being repaired, it is important to ensure the safety of the workers and prevent any accidents. Therefore, all signals must remain in the stop position with blocking devices applied. This is done to prevent any unintended movement of trains or vehicles while the repairs are being carried out. Once all the repairs are completed and all interlocking appliances are properly lined for movement, the signals can be restored to their normal functioning. Therefore, the statement "all signals must remain in stop position with blocking devices applied, until all repairs are completed and all interlocking appliances are properly lined for movement" is true.

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  • 4. 

    Before changing the route, The Dispatcher or Operator must determine that the train has stopped, and must attempt to contact the Engineer to inform him that the route is being changed.

    • True

    • False

    Correct Answer
    A. True
    Explanation
    Before changing the route, it is necessary for the Dispatcher or Operator to ensure that the train has come to a stop. They must also try to communicate with the Engineer to notify them about the route change. This is important to ensure the safety and coordination of the train's movement.

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  • 5. 

    If impossible to lock an interlocking appliance, two actions must be taken: 1) All control mechanisms must be placed in the required position and blocking devices applied AND 2) all affected appliances must be properly lined or wedged. EXCEPTION: If the appliance is Dual Controlled it must be properly lined and locked manually. The Dispatcher must not give a train permission to pass a stop signal until these two requirements are met.

    • True

    • False

    Correct Answer
    A. True
    Explanation
    The explanation for the correct answer is that if it is impossible to lock an interlocking appliance, two actions must be taken. First, all control mechanisms must be placed in the required position and blocking devices applied. Second, all affected appliances must be properly lined or wedged. The exception to this is if the appliance is Dual Controlled, in which case it must be properly lined and locked manually. The Dispatcher is not allowed to give a train permission to pass a stop signal until these two requirements are met. Therefore, the statement "If impossible to lock an interlocking appliance, two actions must be taken: 1) All control mechanisms must be placed in the required position and blocking devices applied AND 2) all affected appliances must be properly lined or wedged" is true.

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  • 6. 

    When trains or TC's that may not shunt enter Interlocking limits, the home signal if displayed must be set to stop and secured with a blocking device. The Dispatcher or Operator must not remove the stop signal until the employee in charge has reported the equipment as Clear.

    • True

    • False

    Correct Answer
    A. True
    Explanation
    When trains or TC's that may not shunt enter Interlocking limits, the home signal must be set to stop and secured with a blocking device. The stop signal should not be removed by the Dispatcher or Operator until the employee in charge has reported the equipment as Clear. This ensures that the train or TC is safely cleared from the interlocking limits before the signal is changed.

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  • 7. 

    If rails are rusted or cars have been left standing and wheels rusted, crew members must confer with the Dispatcher or Operator.

    • True

    • False

    Correct Answer
    A. True
    Explanation
    If the rails are rusted or the cars have been left standing and the wheels have rusted, it is necessary for the crew members to consult with the Dispatcher or Operator. This implies that if either of these conditions exist, it is important for the crew members to seek guidance or instructions from the Dispatcher or Operator.

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  • 8. 

    Engines or cars may be left within the limits of interlocked railroad crossings at grade

    • True

    • False

    Correct Answer
    A. False
    Explanation
    Engines and cars must not be left within the limits of interlocked railroad crossings at grade.

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  • 9. 

    When an interlocking station is closed, routes and signals must be set to comply with the instructions of the Dispatcher and the station must be secured.

    • True

    • False

    Correct Answer
    A. True
    Explanation
    When an interlocking station is closed, it is necessary to set the routes and signals according to the instructions given by the Dispatcher. This ensures that trains can safely navigate through the tracks and avoid any potential collisions or accidents. Additionally, the station must be secured to prevent unauthorized access and ensure the safety of the premises. Therefore, the statement is true.

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  • 10. 

    When a non-shunting train or TC leaves Interlocking limits it must report clear to the Dispatcher or Operator.

    • True

    • False

    Correct Answer
    A. True
    Explanation
    When a non-shunting train or TC leaves Interlocking limits, it is necessary for it to report clear to the Dispatcher or Operator. This is important for maintaining communication and ensuring the safe movement of trains. By reporting clear, the train or TC informs the Dispatcher or Operator that it has left the designated area and is no longer within their jurisdiction. This allows the Dispatcher or Operator to update their records and track the movement of the train or TC accurately.

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  • 11. 

    If a signal aspect permitting a train to proceed changes to a stop signal is reached, the train must _____. Such signal changes must be reported to the dispatcher.

    • Go into Emergency

    • Stop soon as safe train handling will permit

    • Proceed at restricted speed

    • Stop and proceed

    Correct Answer
    A. Stop soon as safe train handling will permit
    Explanation
    When a train reaches a signal aspect that changes from permitting it to proceed to a stop signal, the train must stop as soon as it is safe to do so. This means that the train should stop as quickly as possible while still maintaining safe train handling. This is important because it ensures the safety of the train and prevents any potential accidents or collisions. Additionally, the signal change must be reported to the dispatcher so that they are aware of the situation and can take appropriate action if necessary.

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  • 12. 

    Interlocking signals, controlled signals, and interlocking appliances can be moved manually by Conductor.

    • True

    • False

    Correct Answer
    A. False
    Explanation
    These devices must only be operated by those charged with operating them.

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  • 13. 

    Track Car movements may be made on Signal Indication except for routes that lead to ABS OR DCS territory. Before permitting movements of this kind the Dispatcher or Operator must ensure all interlocking or controlled point appliances are properly lined and secured with blocking devices. The Dispatcher must record TC movements when they enter ABS or DCS territory.

    • True

    • False

    Correct Answer
    A. True
    Explanation
    The explanation for the given correct answer is that track car movements may indeed be made on signal indication, except for routes that lead to ABS or DCS territory. However, before allowing such movements, the dispatcher or operator must make sure that all interlocking or controlled point appliances are correctly lined and secured with blocking devices. Additionally, the dispatcher must keep a record of track car movements when they enter ABS or DCS territory. This implies that the statement "Track Car movements may be made on Signal Indication except for routes that lead to ABS OR DCS territory" is true.

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  • 14. 

    Is [your statement here] true or false?

    • True

    • False

    Correct Answer
    A. True
    Explanation
    The given answer is "True". This means that the statement mentioned in the question is true. However, without the actual statement mentioned in the question, it is not possible to provide a specific explanation for why the answer is true.

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  • 15. 

    Control mechanisms that operate interlocking appliances may be operated when any portion of a train is standing on or closely approaching the appliances.

    • True

    • False

    Correct Answer
    A. False
    Explanation
    Interlocking appliances MUST NOT be operated when a train is standing on or close to an appliance.

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  • 16. 

    If a train has passed an interlocking signal is proceeding at restricted speed enters  into cab signal territory with functioning cabs signals, the train may

    • Proceed with cab signal indication.

    • Proceed at restricted speed.

    • Proceed prepared to stop.

    • Proceed not exceeding 40 MPH

    Correct Answer
    A. Proceed with cab signal indication.
    Explanation
    If a train has passed an interlocking signal and is proceeding at restricted speed, it enters into cab signal territory with functioning cab signals, it may proceed with cab signal indication. This means that the train can continue its journey as long as the cab signals are indicating that it is safe to do so. The cab signals provide additional safety measures and information to the train operator, allowing them to proceed with caution while maintaining awareness of any potential hazards or restrictions ahead.

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  • 17. 

    When reversing direction in the limits of an interlocking the Dispatcher or Operator may change the route at any time.

    • True

    • False

    Correct Answer
    A. False
    Explanation
    When reversing direction in an interlocking with permission the route must not be changed until the movement is completed.

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  • 18. 

    Where do Interlocking and Controlled Points rules apply? (select all that apply)

    • Interlocking Limits

    • Controlled Points

    • Non-Signaled DCS Territory

    • Yard Linits

    Correct Answer(s)
    A. Interlocking Limits
    A. Controlled Points
    Explanation
    Interlocking and Controlled Points rules apply in Interlocking Limits and Controlled Points. Interlocking Limits refer to the area where tracks intersect and signals control train movements to prevent collisions. Controlled Points are locations where train movements are regulated by signals or other means. Therefore, both Interlocking Limits and Controlled Points require specific rules and procedures to ensure safe and efficient train operations.

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  • 19. 

    When a train has  passed an interlocking signal and is travelling at Restricted Speed, if the track is seen clear to the next signal and the next signal indicates proceed, then the train is operated with the

    • Last signal indication received.

    • Next signal indication.

    • First signal indication seen.

    • Posted speed limit.

    Correct Answer
    A. Last signal indication received.
    Explanation
    When a train has passed an interlocking signal and is traveling at Restricted Speed, it means that it must proceed with caution and be prepared to stop within half the range of vision. In this scenario, if the track ahead is seen clear to the next signal and the next signal indicates proceed, the train will continue to operate based on the last signal indication received. This means that the train will not increase its speed and will continue to proceed with caution, following the instructions given by the last signal it encountered.

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  • 20. 

    If a train has passed an interlocking signal is delayed it must

    • Proceed at Restricted Speed

    • Proceed at Slow speed

    • Proceed not exceeding 30 MPH

    • Stop

    Correct Answer
    A. Proceed at Restricted Speed
    Explanation
    When a train has passed an interlocking signal and is delayed, it must proceed at restricted speed. Restricted speed means that the train must be able to stop within half the range of vision, must be prepared to stop at any time, and must be able to take necessary action to avoid an accident. This is important to ensure the safety of the train and prevent any potential collisions or accidents.

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  • 21. 

    If a train stops _______ at an interlocking signal it must not proceed in either direction without permission from the Dispatcher or Operator,

    • Less than 1 engine length

    • Within 1/4 mile of the signal

    • After the distant signal

    • Within one train length

    Correct Answer
    A. Less than 1 engine length
    Explanation
    A train must not proceed in either direction without permission from the Dispatcher or Operator if it stops less than 1 engine length away from an interlocking signal.

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  • 22. 

    Once permission has been received from the dispatcher or Operator the receiving employee must confirm it. Movement may then proceed ________________. (select all that apply)

    • At restricted speed to the next signal

    • In cab signal territory speed may be increased after running 500 feet or one train length past a more favorable signal

    • At Medium Approach after all switches have been cleared

    • At maximum allowed speed

    Correct Answer(s)
    A. At restricted speed to the next signal
    A. In cab signal territory speed may be increased after running 500 feet or one train length past a more favorable signal
    Explanation
    After receiving permission from the dispatcher or operator, the receiving employee must confirm it before proceeding. The movement can then proceed at restricted speed to the next signal. In cab signal territory, the speed may be increased after running 500 feet or one train length past a more favorable signal.

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  • 23. 

    To reverse direction within the limits of an interlocking the train must have (select all that apply)

    • The proper interlocking signal.

    • Permission from the dispatcher, and the route must not be changed until movement completed,

    • A Form D line 2.

    • You can not reverse direction in an interlocking.

    Correct Answer(s)
    A. The proper interlocking signal.
    A. Permission from the dispatcher, and the route must not be changed until movement completed,
    Explanation
    To reverse direction within the limits of an interlocking, the train must have the proper interlocking signal. Additionally, the train needs permission from the dispatcher, and the route must not be changed until the movement is completed.

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  • 24. 

    If the dispatcher or Operator stops a train for any reason while it is moving through an interlocking the train must not move in either direction until

    • It has received the proper signal

    • Received verbal permission from the dispatcher

    • A form D is issued

    • The reason for the stop signal has been determined

    Correct Answer(s)
    A. It has received the proper signal
    A. Received verbal permission from the dispatcher
    Explanation
    The train must not move in either direction until it has received the proper signal or received verbal permission from the dispatcher. This ensures that the train operates safely and follows the instructions given by the dispatcher. The proper signal indicates that it is safe for the train to proceed, while verbal permission from the dispatcher confirms that there are no conflicting instructions or safety concerns. By waiting for these approvals, the train can avoid any potential accidents or disruptions in the interlocking area.

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  • 25. 

    Trains that might not shunt track circuits must not make movements on signal indication.

    • True

    • False

    Correct Answer
    A. False
    Explanation
    A non-shunting train must only make movements on signal indication.

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  • 26. 

    If a dangerous condition is seen on a train travelling through an interlocking the train may be permitted to proceed at restricted speed after the crew has been notified of the situation.

    • True

    • False

    Correct Answer
    A. True
    Explanation
    If a dangerous condition is observed on a train that is passing through an interlocking, the train may be allowed to continue at a reduced speed after the crew has been informed about the situation. This suggests that the train can proceed cautiously and carefully while still being aware of the potential danger.

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  • 27. 

    The Dispatcher or Operator must give permission for interlocking movements by fixed signal indication or verbal permission. The format of the verbal permission must be in one of the following formats.

    • No. 5316 engine 4129 proceed east on No. 2 track at Rare.

    • No. 5316 proceed east on No. 2 track at Rare.

    • No. 5316 engine 4129 proceed east at Rare.

    • No. 5316 engine 4129 proceed east at Green on No. 2 track at Rare.

    Correct Answer
    A. No. 5316 engine 4129 proceed east on No. 2 track at Rare.
    Explanation
    The correct answer is "No. 5316 engine 4129 proceed east on No. 2 track at Rare." This is the correct format for verbal permission for interlocking movements. It includes the train number, engine number, direction (east), track number (No. 2 track), and location (Rare).

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  • 28. 

    When an interlocking or CP signal has been cleared for an approaching train, the dispatcher must not change a signal to a stop position until (select all that apply)

    • The train has been stopped.

    • The engineer has been informed and he has advised the Dispatcher he can stop before the signal.

    • In an Emergency the dispatcher may immediately change the signal to Stop Position.

    • The dispatcher may change the signals when the need arises without notice to the engineer.

    Correct Answer(s)
    A. The train has been stopped.
    A. The engineer has been informed and he has advised the Dispatcher he can stop before the signal.
    A. In an Emergency the dispatcher may immediately change the signal to Stop Position.
    Explanation
    The dispatcher can not simply change a signal to a stop, he would be at fault for changing a signal without giving the engineer enough notice to stop the train.

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  • 29. 

    If a train passes an interlocking station with any indication of any dangerous conditions or damage the train must be order to stop and be repaired at the next forward point.

    • True

    • False

    Correct Answer
    A. False
    Explanation
    If any dangerous conditions are observed at an interlocking the Dispatcher must immediately attempt to stop the train. The Dispatcher or Operator at the next Interlocking, Controlled Point or TBS must be notified.

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  • 30. 

    When Interlocking Devices, Signals or Appliances fail what actions must be taken? (select all that apply)

    • Stop signals and blocking devices must be applied to all signals and appliances

    • All defects must be reported to the Signal Maintainer

    • Restricted speed will apply through the interlocking or past the CP

    • All signals must be set to Approach Slow

    Correct Answer(s)
    A. Stop signals and blocking devices must be applied to all signals and appliances
    A. All defects must be reported to the Signal Maintainer
    Explanation
    When Interlocking Devices, Signals or Appliances fail, the actions that must be taken include applying stop signals and blocking devices to all signals and appliances, as well as reporting all defects to the Signal Maintainer.

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  • Current Version
  • Mar 21, 2023
    Quiz Edited by
    ProProfs Editorial Team
  • May 11, 2014
    Quiz Created by
    Joegris
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