Railway Signals
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Questions and Answers

What is displayed when a Calling On signal is taken in the 'ON' position?

  • miniature yellow light (correct)
  • miniature white light
  • no light
  • single yellow light
  • What light is displayed when the colour light Calling On signal is taken 'OFF'?

  • green
  • miniature yellow
  • miniature red (correct)
  • white
  • What is the aspect of the Calling On signal when taken 'OFF'?

  • proceed
  • proceed slow (correct)
  • caution
  • stop
  • What is the condition for taking 'OFF' the Calling On signal?

    <p>brought to a stand at the stop signal</p> Signup and view all the answers

    What is the indication of the Calling On signal when taken 'OFF'?

    <p>stop and then draw ahead with caution and be prepared to stop short or any obstruction</p> Signup and view all the answers

    What type of shunt signal is used?

    <p>all the above</p> Signup and view all the answers

    When is the Calling On signal taken 'OFF'?

    <p>when the train is brought to a stand at the stop signal</p> Signup and view all the answers

    What does the Calling On signal indicate to the driver?

    <p>to proceed with caution</p> Signup and view all the answers

    What signal should be used to warn an incoming train of an obstruction during the day?

    <p>Red flashing H/S lamp</p> Signup and view all the answers

    What time is the standard time prescribed by the Government of India transmitted daily to all the principal stations of the Railway?

    <p>00.00 hrs</p> Signup and view all the answers

    What should a Station Master do as soon as they become aware that a signal has become defective or has ceased to work properly?

    <p>All of the above</p> Signup and view all the answers

    When is pre-warning about a defective reception signal not required?

    <p>When there is a calling on signal</p> Signup and view all the answers

    Before dispatching a passenger train or mixed train from a station, what time should be considered?

    <p>Standard time</p> Signup and view all the answers

    How may the Loco Pilot pass a defective home signal when pre-warning is given?

    <p>By receiving T.369(3b)+PHS</p> Signup and view all the answers

    Who sets his watch by the station clock or the clock at the authorised place of reporting for duty before a train starts from a terminal or crew-changing station?

    <p>Guard</p> Signup and view all the answers

    Who sanctions the speed limits for each section of the railway?

    <p>Approved special instructions</p> Signup and view all the answers

    What condition must the Station Master fulfill before pre-warning the Loco Pilot about a defective signal at the next station?

    <p>Both taking off the signal and granting line clear</p> Signup and view all the answers

    Where are the sectional speed sanctioned and permanent speed restrictions shown?

    <p>Working Time Table</p> Signup and view all the answers

    What is the purpose of the red flag signal?

    <p>To warn of an obstruction on the track</p> Signup and view all the answers

    What is the limiting factor for running a train on each section of the railway?

    <p>Sectional speed sanctioned</p> Signup and view all the answers

    What should the Station Master report to the railway servant responsible for the upkeep of the signals?

    <p>Any defective signal</p> Signup and view all the answers

    When can the Loco Pilot pass a defective signal?

    <p>Only after receiving pre-warning about the defective signal</p> Signup and view all the answers

    What color should side lights show towards the engine in a normal position?

    <p>white</p> Signup and view all the answers

    What color should side lights show towards the rear in a normal position?

    <p>red</p> Signup and view all the answers

    Which type of trains may be dispensed with side lights?

    <p>Both EMU and Goods trains</p> Signup and view all the answers

    How is the last vehicle of a train distinguished by day?

    <p>either A or B</p> Signup and view all the answers

    How is the last vehicle of a train distinguished by night or in low visibility?

    <p>flashing red light</p> Signup and view all the answers

    What can be used in lieu of a tail board or an unlit tail lamp in emergencies?

    <p>red flag</p> Signup and view all the answers

    Why are side lights important in railway safety?

    <p>to indicate the train's presence</p> Signup and view all the answers

    What is the primary purpose of distinguishing the last vehicle of a train?

    <p>to indicate the train is complete</p> Signup and view all the answers

    What is the maximum speed at which trains shall not exceed over turn-outs and cross-overs?

    <p>10 kmph</p> Signup and view all the answers

    What is the maximum speed at which a train shall run through an interlocked station?

    <p>50 Kilometres an hour</p> Signup and view all the answers

    At what speed shall an engine or self-propelled vehicle not push any train outside station limits?

    <p>25 kmph</p> Signup and view all the answers

    When are engine pushing rules not applicable to a train?

    <p>if the leading vehicle is equipped with driving apparatus</p> Signup and view all the answers

    What is the maximum speed for a train to run through an interlocked station if special instructions permit a higher speed?

    <p>50 Kilometres an hour</p> Signup and view all the answers

    What is the condition for an engine or self-propelled vehicle to push a train outside station limits?

    <p>special instructions and a speed not exceeding 25 kmph</p> Signup and view all the answers

    When can engine pushing rules be operated under approved special instructions?

    <p>if the leading vehicle is equipped with driving apparatus</p> Signup and view all the answers

    What is the maximum speed for a train to run over turn-outs and cross-overs if the permissible speed is higher?

    <p>10 kmph</p> Signup and view all the answers

    Study Notes

    Calling On Signals

    • When taking off Calling On signal, the train must be brought to a stand at the stop signal.
    • The Aspect of the Calling On signal when taken "OFF" is "proceed slow".
    • The indication of the Calling On signal when taken "OFF" is "stop and then draw ahead with caution and be prepared to stop short of any obstruction".
    • Types of shunt signals include disc type, miniature semaphore, and position type.

    Defective Signals

    • When a Station Master becomes aware of a defective signal, they shall report the occurrence to the railway servant responsible for the upkeep of the signals and take necessary action.
    • Pre-warning about defective reception signal is not required when there is a calling on signal.
    • When a home signal is defective and pre-warned, the LP may pass such signal on receipt of PHS at the foot of the defective signal or PHS at the first facing points or T.369(3b)+PHS.

    Regulation of Train Working

    • The working of trains between stations shall be regulated by the standard time prescribed by the Government of India, transmitted daily to all principal stations at 16:00 hours.
    • No passenger train or mixed train shall be dispatched from a station before the standard time.
    • Before a train starts from a terminal or crew-changing station, the Guard shall set his watch by the station clock or the clock at the authorized place of reporting for duty and communicate the time to the Loco Pilot.

    Speed Restrictions

    • Every train shall be run on each section of the railway within the limits of speed sanctioned for that section by approved special instructions.
    • Sectional speed sanctioned and permanent speed restrictions shall be shown in the Working Time Table.
    • The speed of trains over turn-outs and cross-overs shall not exceed 30 kmph, or the permissible speed, whichever is less, unless otherwise prescribed by approved special instructions.
    • No train shall run through an interlocked station at a speed exceeding 50 kmph, or such less speed as may be prescribed by approved special instructions.
    • No engine or self-propelled vehicle shall push any train outside station limits except in accordance with special instructions and at a speed not exceeding 25 kmph.

    Engine Pushing Rules

    • Engine pushing rules shall not apply to a train the leading vehicle of which is equipped with driving apparatus and may be operated under approved special instructions.

    Lighting

    • Side lights shall show towards the engine in normal position, displaying white, and towards the rear in normal position, displaying red.
    • Side lights may be dispensed with for EMU trains and goods trains.
    • The last vehicle of a train shall be distinguished by affixing a tail board or a tail lamp of approved design to indicate that the train is complete.

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    Description

    This quiz covers different types of railway signals, including Calling On signals and Defective Signals, and their aspects and indications.

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