Railway Operations Safety Procedures Quiz
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Questions and Answers

What is required before trains can proceed in the wrong direction on an obstructed line?

  • All trains must be rerouted immediately.
  • Local authorities must approve the change.
  • The scheduled speed must be adjusted.
  • A Caution Order and Line Clear must be obtained. (correct)

    • What speed should the first train run at during temporary single line working?

  • 10 KMPH
  • 25 KMPH (correct)
  • 40 KMPH
  • 50 KMPH

    • Which of the following persons must be advised in case of obstruction on a section?

  • The Chief Engineer
  • The Track Maintenance Supervisor
  • The Controller (correct)
  • The Assistant Train Manager

    • What actions should be taken to points at the station and Block Hut during an obstruction?

    <p>They must be locked, clamped, or spiked for the line in use.</p> Signup and view all the answers

    What is the procedure if the Block Instruments fail?

    <p>Trains shall be passed on through the Controller or as specified.</p> Signup and view all the answers

    Who is responsible for the custody of the keys of points connecting with a running line at stations without locking?

    <p>Station Master or appointed Railway servant</p> Signup and view all the answers

    What condition must be satisfied before line clear can be given?

    <p>The last train must arrive complete</p> Signup and view all the answers

    What should happen when line clear has already been given but the block section in advance is obstructed?

    <p>The train must be stopped at the Home signal</p> Signup and view all the answers

    What must be done if a station cannot accept a train after receiving the 'Is Line Clear' signal?

    <p>Answer the signal as per prescribed procedures</p> Signup and view all the answers

    Which signal must be kept at danger when 'Line Clear' has been given but the block section is obstructed?

    <p>Home signal</p> Signup and view all the answers

    When can signals be taken off instead of remaining at danger upon the approach of a train?

    <p>If the block section in advance is cleared before the train arrives</p> Signup and view all the answers

    What is required for all points before accepting an incoming train on a line?

    <p>They should be correctly set and locked</p> Signup and view all the answers

    Under what condition can the Block Instrument Commutator be released using the Release Plungers?

    <p>When a train has been shunted for precedence and the Treadle/Track circuit did not operate.</p> Signup and view all the answers

    What happens if the Treadle fails to operate during a train's passage?

    <p>The Block Instrument Commutator locks in the 'Train on Line' position.</p> Signup and view all the answers

    What is the purpose of pressing the button marked 'Bell' when using the Release Plungers?

    <p>To alert the Station Master for inspection.</p> Signup and view all the answers

    What must the Station Master confirm before pressing the Release Plunger?

    <p>The line is clear for the following train and protections are in place.</p> Signup and view all the answers

    How long should the corresponding Release Plunger be held down?

    <p>Ten seconds.</p> Signup and view all the answers

    What indication signifies the failure of the Treadle operation?

    <p>The sound on Treadle operation is not audible.</p> Signup and view all the answers

    What record must the Station Master maintain regarding the Release Plungers?

    <p>Every time the Release Plungers are used.</p> Signup and view all the answers

    What action must be taken by the operator at the same time as pressing the 'Release' button?

    <p>Turning the Block Instrument Commutator to 'Line Closed'.</p> Signup and view all the answers

    What are the two types of bells in the Signal cabin used for?

    <p>To indicate Up and Down lines in the signaling system.</p> Signup and view all the answers

    What information must be recorded in the special book regarding the operation of the Release Plunger?

    <p>The signature of the Station Master.</p> Signup and view all the answers

    What should the person operating the Block Instruments in the cabin include in the Train Signal Register remarks column?

    <p>The exact time the Release Plunger was operated.</p> Signup and view all the answers

    What action should the Station Master take upon finding a failure in the Treadle/Track circuit?

    <p>Notify the station in rear and exchange Private Numbers.</p> Signup and view all the answers

    If a Release Plunger is not provided at a station, what should the Station Master communicate to the station in rear?

    <p>The Treadle/Track circuit has failed.</p> Signup and view all the answers

    Which document is issued to the Loco Pilot when the Treadle/Track circuit fails and a Stop Signal is in the 'On' position?

    <p>Form T/369-3b</p> Signup and view all the answers

    What additional information is required in the remarks column after operating the Release Plunger?

    <p>The reasons for operating the plunger.</p> Signup and view all the answers

    Which aspect of the operation must be inspected by Transportation Inspectors?

    <p>The records related to the Release Plunger operation.</p> Signup and view all the answers

    Which of the following is NOT a required entry in the record after the operation of the Release Plunger?

    <p>The temperature reading at the station.</p> Signup and view all the answers

    When the Treadle/Track circuit fails, what must the Station Master in rear obtain to clear the next train?

    <p>Line Clear from the station in advance.</p> Signup and view all the answers

    What type of remarks should the record include regarding the failure of the Treadle/Track circuit?

    <p>Specific circumstances that necessitated the Release Plunger operation.</p> Signup and view all the answers

    What must the 'C' class station do after acknowledging the blocking for shunting purposes?

    <p>Turn the Block Instrument needle to 'Train On Line'.</p> Signup and view all the answers

    How should the 'C' class station respond after receiving confirmation that shunting has been completed?

    <p>Turn the Block Instrument needle to 'Line Closed'.</p> Signup and view all the answers

    What is the status of the last Stop signal lever when the system is in normal operation?

    <p>Locked and cannot be taken off until 'Line Clear'.</p> Signup and view all the answers

    What must occur before the Block Instrument can be set back to 'On' after it has been taken 'Off'?

    <p>A fresh 'Line Clear' must be granted.</p> Signup and view all the answers

    What should be done immediately after any signals or messages are sent related to blocking sections?

    <p>Update the Train Signal Registers.</p> Signup and view all the answers

    When can the last Stop signal be taken 'Off' again after it has been put back to 'On'?

    <p>Only after the Block Station confirms 'Line Closed'.</p> Signup and view all the answers

    What must happen to the Block Instrument after shunting has been completed?

    <p>It must reflect 'Line Closed' status.</p> Signup and view all the answers

    What does the locking mechanism on the last Stop signal lever control?

    <p>The ability to signal 'Line Clear'.</p> Signup and view all the answers

    After turning the Block Instrument to 'On', what action must not be taken for the same 'Line Clear'?

    <p>The last Stop signal must not be taken 'Off' again.</p> Signup and view all the answers

    What should be done when the Block Instrument is set to 'Train On Line'?

    <p>Shunting operations should take place without hindrance.</p> Signup and view all the answers

    What should be done if a signal is not acknowledged immediately after transmission?

    <p>Repeat the signal every 20 seconds until a reply is received.</p> Signup and view all the answers

    Which signal code indicates that there is an obstruction that requires examining the train?

    <p>000000-0</p> Signup and view all the answers

    What is an essential prerequisite before sending any other signal?

    <p>Send and acknowledge the 'Call Attention' signal.</p> Signup and view all the answers

    What is the correct code for acknowledging a received signal?

    <p>One beat.</p> Signup and view all the answers

    How many beats are signaled for a 'Train Entering Section'?

    <p>Three beats.</p> Signup and view all the answers

    What does the six beats signal with a pause indicate?

    <p>Obstruction Danger.</p> Signup and view all the answers

    Which of the following descriptions applies to the 'Cancel Last Signal' code?

    <p>Five beats.</p> Signup and view all the answers

    What must the Station Master do when a train is overdue and there is no response from the Station Master in advance?

    <p>Report the issue to the Controller immediately.</p> Signup and view all the answers

    Under what condition can the 'Train out of Section' signal be sent?

    <p>After the train has cleared the Home signal and all signals are put back to 'On'.</p> Signup and view all the answers

    What is the procedure if it becomes necessary to obstruct a line outside the Home signal while the Block section in rear is clear?

    <p>Block back the line for shunting purposes.</p> Signup and view all the answers

    What does the Station Master of the station performing shunting need to advise to the next station in rear?

    <p>The section is being blocked back for shunting purposes.</p> Signup and view all the answers

    Which of the following actions should be confirmed before the Block Instrument can be reset to 'On'?

    <p>All signals behind the train have been put back to 'On'.</p> Signup and view all the answers

    What should the Station Master do if he believes a train is incomplete after sending a signal?

    <p>Put all Up and Down signals in the 'ON' position.</p> Signup and view all the answers

    What action must the Station Master take after a train passes without a Tail-lamp?

    <p>Wait for confirmation from the next station that the train is complete.</p> Signup and view all the answers

    When should the Station Master signal 'Obstruction Danger'?

    <p>If alarm signals are observed from a passing train.</p> Signup and view all the answers

    What must the Station Master do after sending an 'Obstruction Danger' signal?

    <p>Provide reasons for the signal by telephone to the Train Operator.</p> Signup and view all the answers

    What does the Caution Order provided to Loco Pilots after an obstruction notify them of?

    <p>To keep a sharp lookout for obstructions on either line.</p> Signup and view all the answers

    What is the primary purpose of signaling 'Train Out of Section'?

    <p>To indicate that a train has completed its journey and left the section.</p> Signup and view all the answers

    What condition must be met for the 'Train Out of Section' signal to be sent forward?

    <p>Confirmation from the station in advance of a complete train.</p> Signup and view all the answers

    What is the Station Master's responsibility after confirming that a train is complete?

    <p>Advise the Loco Pilot of the circumstances.</p> Signup and view all the answers

    If a dangerous condition is detected, what should the Station Master prioritize?

    <p>Ensure the safety of all trains by stopping them immediately.</p> Signup and view all the answers

    What specific details must be recorded in the book designated for the operation of the Release Plunger?

    <p>Date and time of the release</p> Signup and view all the answers

    Which of the following must the Station Master communicate upon finding that the Treadle/Track circuit has failed?

    <p>Inform the station in rear and exchange Private Numbers</p> Signup and view all the answers

    What information should be included in the Remarks Column of the Train Signal Register after operating the Release Plunger?

    <p>Details of reasons for operating the Plunger</p> Signup and view all the answers

    What document serves as authority for the Loco Pilot to pass the Stop Signal when the Treadle/Track circuit fails?

    <p>Form T/369-3b</p> Signup and view all the answers

    What must take place before the Station Master can issue Form T/369-3b to the Loco Pilot?

    <p>Exchange Private Numbers with the next station</p> Signup and view all the answers

    What is required in the record regarding the operation of the Release Plunger besides the train number?

    <p>The signature of the Station Master</p> Signup and view all the answers

    When Treadles/Track circuit failures occur and no Release Plunger is available, what should the Station Master provide to reinforce communication?

    <p>Private Numbers exchanged by phone</p> Signup and view all the answers

    What aspect of the Treadle/Track circuit failure record must be confirmed by Transportation Inspectors?

    <p>Compliance with the operational procedures</p> Signup and view all the answers

    What additional detail is necessary in the Remarks Column after the Release Plunger is operated?

    <p>The specific time of the operation</p> Signup and view all the answers

    What action is required from the Station Master if the Treadle/Track circuit fails and there is no Release Plunger present?

    <p>Communicate Line Clear after inspection</p> Signup and view all the answers

    What indication is needed to confirm that the last vehicle of a train is present before it can proceed?

    <p>A tail lamp or hand signal lamp showing red</p> Signup and view all the answers

    Which signal is used to indicate that a train is divided while running through a station?

    <p>Train divided signal (six pause three)</p> Signup and view all the answers

    What action should immediately follow the confirmation of a 'Vehicles running away on wrong line' signal?

    <p>Caution Order to the Loco Pilot should be issued</p> Signup and view all the answers

    What must be done if a train is found to be incomplete?

    <p>Withhold the 'Train out of Section' signal</p> Signup and view all the answers

    When a 'Train Divided' signal is received, what action should the receiving Station Master take?

    <p>Turn the Block Instrument commutator to 'Train on Line'</p> Signup and view all the answers

    What should be done by the Station Master if a train becomes divided when starting from a Block station?

    <p>Send a 'Train Divided' signal to the station in advance</p> Signup and view all the answers

    What is the first action a Station Master must take when sending the 'Vehicles running away on wrong line' signal?

    <p>Put all signals in the 'ON' position</p> Signup and view all the answers

    What signal is withheld when the 'Train out of Section' signal is not properly established?

    <p>Normal operation signal</p> Signup and view all the answers

    What should the Station Master do upon receiving a 'Train out of Section' signal?

    <p>Confirm the block section is clear</p> Signup and view all the answers

    If a train is seen proceeding on a wrong line, how is this situation indicated?

    <p>Through a six pause four signal</p> Signup and view all the answers

    Study Notes

    Chapter III - Double Line Working

    • Code of Bell Signals: Used for Double Line Block Working, each signal given slowly and distinctly.
      • Call Attention: One stroke or beat.
      • Line Clear or Enquiry: Two strokes or beats.
      • Train Entering Section: Three strokes.
      • Train out of Section / Obstruction Removed: Four strokes.
      • Cancel Last Signal / Signal in Error: Five strokes.
      • Obstruction Danger / Stop and Examine Train / Train Passed without Tail Lamp / Vehicles away on Block Section / Vehicles away on Right Line: Six strokes; various pauses indicate specifics.
      • Testing Signal: Sixteen strokes.

    Acknowledgement of Signals

    • Each received signal must be acknowledged.
    • No signal should be acknowledged until fully understood.
    • Signals must be repeated at 20-second intervals if not acknowledged, up to 5 times.
    • If no response, alternative communication methods should be utilized.

    Method of Using Bell Codes

    • Call Attention: Signal before other signals.
      • Not required prior to "Train entering section" signal.
    • Obstruction Danger: Six beats on double line.
      • Station Master action as per rules.
      • Station Master acknowledges with 6 beats if stops train.
    • Line Clear / Line Clear Enquiry: Permission request signal.
      • Must be used after "Train Out of Section" signal received and "Line Closed" displayed.
      • Refusal of Line Clear follows specific method.
      • Must communicate refusal via block telephone.
    • Train Entering Section: Sent to station in advance when train passes the Last Stop.

    Train Entering Section

    • Signal sent to block station in advance.

    Train Out of Section Signal

    • Sent when train is complete and conditions for line clear are met as per GR 8.02, 8.03, 8.04.

    Cancel Last Signal / Signal in Error

    • Given with 5 beats, in cases of error to cancel previous signal.
    • Private numbers exchanged.
      • Circumstances behind cancellation recorded.

    Obstruction Danger

    • Signal when blocking Line Clear is necessary.
      • Stops incoming trains.
      • Follows specified procedure which includes operating Block Instrument to appropriate position and using other means.
        • If unsuccessful notify station ahead.

    Stop and Examine Train

    • Used when irregularities are noted on a passing train or some other unusual occurrence happens
    • Include details of the situation, such as;
      • Signals of alarm by a passenger.
      • Goods falling off from an open wagon.
      • Vehicle on fire.

    Train Passed Without Tail Lamp or Tail Board

    • Signal sent when a train is without a tail lamp/board.
    • Sent to station ahead.
    • Station in rear does not send "Train Out of Section" signal until advice from ahead confirms train is complete.

    Vehicles Away on Block Section

    • Signal sent when vehicles leave the block section.

    Vehicles Away on Right Line

    • Sent when vehicle leaves the right line.

    Testing Signal

    • Used by block maintenance staff to verify instrument functionality.
    • Must be promptly repeated by Station Masters.

    Failure of Electrical Block and Speaking Instruments

    • If block instruments fail, signals sent via telephone and Private Numbers.
    • If direct telephone fails, use Control phone to transmit information

    Rules and Regulations for Working of Trains during Total Interruption of Communications

    • If communication fails between stations, prioritize using various communication tools (listed in order) such as Block Instruments, Track Circuits, Auto phones etc.
    • Specific instructions for using VHF communication stated.
      • Only permitted for freight trains in specific circumstances.

    Procedure for Train Passing

    • Before any train is allowed into a block section, it must be brought to a stop, and the loco pilot/guard must be advised of line-clear conditions from duty Station Master.
    • If no reply after five attempts from station ahead, use alternative means of communication.

    Train Entering/Exiting Section/Obstruction/Cancellation

    • Sending/Receiving/Canceling/Refusal procedures require explicit steps, and details of circumstances need documentation

    Conditions Under Which Line Clear Can Be Given

    • For certain class of stations, "Line Clear" cannot be given without fulfilling explicit criteria (arrival of previous train, position of signals).

    Obstruction When Train Is Approaching

    • Procedure in place for obstruction outside home signal when block section is clear.

    Refusing Line Clear

    • Procedure for refusing line clear request (6 beats).
    • Procedure for giving line clear

    Train Entering Section

    • Signal to be sent when train/portion passes the last stop signal.

    Train On Line

    • Indication on instrument when train is in block section
    • Acknowledgement of "Train Entering Section" signal.

    Train Out of Section

    • Indication when train has passed block section and all signals are restored.

    Obstruction in Rear of Starter

    • Procedure if a train obstructs the line outside the Home signal.
    • Methods for blocking section back or forward.

    Obstruction Beyond the Last Stop Signal

    Blocking Forward/Backward

    • Procedures for blocking forward and backward operations.
      • Involves telephone communication with station ahead.

    Last Stop Signal

    • Detailed instructions for operation of last stop signals and block instruments.

    Failure of Treadles / Track Circuit

    • Procedures if treadles or track circuits fail.

    Single Line Working on Double Line

    • Temporary procedures for use if one line is unavailable.

    Failure of Electrical Speaking Instruments

    • Procedures for if Block Instruments fail (telephone communication etc).
    • If communication with controller also fails, trains must follow the Chapter VII of this Manual.

    Persons to Be Advised

    • Controller.
    • Controlling Station Master.

    Regulating Traffic

    Warning Labour Gang

    • Instructions to issue warnings for labour gangs.

    Line Clear Forms

    Miscellaneous

    • Various forms used for documentation

    Failure of Electrical Speaking Instruments

    • Instructions for if there is a Block Instrument failure.

    Reporting of Failures

    Obstruction of Block Section

    • Rules for when there's an obstruction.

    Thick Fog or Tempestuous Weather

    • Conditions under which a train can't be operated owing to fog and weather.

    Train Signal Register

    • Specifications of information recorded.

    Station Masters Changing Duty

    • Specific instructions when a Station Master changes duty.

    Custody of Keys of Points

    • Custody and handling of keys of points at stations.

    "A" Class Stations

    • Specific conditions for giving Line Clear at "A" Class stations.

    "B" Class Stations

    • Specific conditions for giving Line Clear at "B" Class stations.

    "C" Class Stations

    • Specific conditions for giving Line Clear at "C" Class stations.

    Blocking Back and Blocking Forward

    • Procedures for blocking forward and backward operations at specific classes of station.

    Methods of Obtaining Line Clear

    • Steps involved in obtaining line clear for a train to proceed.

    Train Out of Section Signals / Obstruction Removed Signals

    • Signal when section clears after train passes / when obstruction removed.

    Obstruction Outside Home Signal

    • Procedure if obstruction is detected outside the Home signal.

    Miscellaneous

    • Various rules and forms are stated.

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    BWM-16-68 Rules and Regulations for Double Line Working (PDF)

    Description

    Test your knowledge on railway operations, focusing on procedures related to obstructions, signal management, and safety protocols. This quiz covers important protocols for train movement during temporary single line working and the responsibilities of personnel during such situations.

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