Railway Maintenance and Inspection
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Questions and Answers

What type of maintenance can be performed on a lever frame without physical electrical disconnection?

  • Testing of track circuit parameters
  • Tightening of terminals
  • Replacing electric signal lamp
  • Lubricating and cleaning (correct)

    • Which of the following is NOT a duty of signal supervisors?

  • Focussing of colour light signal
  • Scheduling of train operations (correct)
  • Replacement of indicator lamps
  • Testing of track locking

    • What can be replaced by technical staff in case of traffic permits?

  • Plug-in relay (correct)
  • Lever frame components
  • Power supply equipment
  • Track circuits

    • What is the primary purpose of covering lenses in signal maintenance?

    <p>To prevent phantom indication to drivers</p> Signup and view all the answers

    Which of the following is a type of maintenance that requires physical electrical disconnection?

    <p>Replacement of power supply equipment</p> Signup and view all the answers

    What is the primary purpose of testing track circuit parameters?

    <p>To ensure track safety</p> Signup and view all the answers

    What type of maintenance can be performed on point machines without opening covers?

    <p>Lubricating and cleaning</p> Signup and view all the answers

    Which of the following is a duty of technical staff in telecommunication equipment testing?

    <p>Checking of axle counter parameters</p> Signup and view all the answers

    What is the primary purpose of a Signal Supervision Engineer (SSE) possessing Signaling Interlocking Plans during an inspection?

    <p>To verify interlocking system configurations</p> Signup and view all the answers

    Which of the following is NOT typically carried by an SSE during an inspection?

    <p>Station Master's daily logbook</p> Signup and view all the answers

    What is the primary function of a Cable Fault Locator?

    <p>To locate cable faults</p> Signup and view all the answers

    What is the purpose of an SSE possessing Interface Circuits during an inspection?

    <p>To troubleshoot signaling system faults</p> Signup and view all the answers

    Which of the following is a type of equipment used for testing signaling gears?

    <p>Train shunt resistance</p> Signup and view all the answers

    What is the purpose of an SSE possessing Location box details during an inspection?

    <p>To understand location box configurations</p> Signup and view all the answers

    Who can specify additional items to be carried by an SSE during an inspection?

    <p>Sr. Divisional Signal and Telecommunication Engineer/ Principal Chief Signal and Telecommunication Engineer</p> Signup and view all the answers

    What is the purpose of an SSE possessing Various registers at the station during an inspection?

    <p>To maintain accurate records of station activities</p> Signup and view all the answers

    What is the frequency of report submission by a Technician (Signal) to their Sectional SSE/JE (Signal)?

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

    What is required for a Technician (Signal) to independently undertake works necessitating issues of Disconnection Notices?

    <p>A valid Competency Certificate</p> Signup and view all the answers

    When is a Disconnection Notice not required?

    <p>When suitable precautions are taken</p> Signup and view all the answers

    What should be kept in the 'ON' position and made in-operative when disconnecting point equipment switches or signals for repairs?

    <p>Warner/Distant and Stop Signals</p> Signup and view all the answers

    What is the technician responsible for sealing after opening it for maintenance?

    <p>The equipment opened by him under his competence</p> Signup and view all the answers

    What is a Technician (Signal) required to maintain and test?

    <p>All equipment under their charge</p> Signup and view all the answers

    What is the purpose of a Technician (Signal) obtaining the signature of the Station Master?

    <p>To obtain permission to start work</p> Signup and view all the answers

    What type of equipment does a Technician (Signal) need a valid Competency Certificate to handle?

    <p>Signalling equipments like Block instruments, EI, MSDAC etc.</p> Signup and view all the answers

    What is the maximum time interval between inspections and testing of equipments by the Sectional SSE/JE (Signal)?

    <p>One month</p> Signup and view all the answers

    Who should the Sectional SSE/JE (Signal) take with him/her during inspections whenever possible?

    <p>Technician (Signal) of the section</p> Signup and view all the answers

    What is the purpose of the inspection carried out by the Sectional SSE/JE (Signal)?

    <p>To ensure equipments function satisfactorily, safely and with minimum liability to failures</p> Signup and view all the answers

    What should be done to any fault detected during inspection?

    <p>It should be arranged to be rectified at the earliest</p> Signup and view all the answers

    What should be inspected to ensure they are up-to-date?

    <p>Interlocking Plan, Cabin Diagrams, Working Rules etc.</p> Signup and view all the answers

    Where should a record of the inspection be made?

    <p>In the Signal Failure and Inspection Book at each station</p> Signup and view all the answers

    What is the purpose of taking disconnection from ASM on duty?

    <p>To rectify faults detected during inspection</p> Signup and view all the answers

    What should be paid special attention to during inspections?

    <p>The work of the Technician (Signal) in respect of adjustments, cleaning and lubricating of moving parts of all points and signal equipment</p> Signup and view all the answers

    How often should SSE(Signal)/Incharge submit an Inspection and Testing Certificate?

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

    What is the primary purpose of the Certificate of Inspection and Testing?

    <p>To keep a record of inspections and gear conditions</p> Signup and view all the answers

    Who should jointly inspect signals on each section?

    <p>SSE(Signal), SSE(Loco), and Traffic supervisors</p> Signup and view all the answers

    When should SSE(Signal)/Incharge certify that signals on their section have proper visibility?

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

    What should SSE(Signal)/Incharge highlight in their quarterly certificate?

    <p>Deficiencies, proposed actions, and required assistance</p> Signup and view all the answers

    When should inspections, testing, and overhauling certificates be filled in?

    <p>Immediately after inspection, testing, or overhauling</p> Signup and view all the answers

    Who should submit the report on each foot-plate inspection?

    <p>SSE(Signal)/Incharge</p> Signup and view all the answers

    What is the purpose of submitting certificates to Sr.DSTE?

    <p>To keep a record of inspections and gear conditions</p> Signup and view all the answers

    What documents should an SSE(Signal) possess in addition to the books mentioned in para 3.5.2(a) during an inspection?

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

    What is the purpose of an SSE(Signal) possessing Traction Bonding Diagram during an inspection?

    <p>To inspect traction bonding</p> Signup and view all the answers

    Which of the following equipment is not required to test signaling gears during an inspection?

    <p>Cable Fault Locator</p> Signup and view all the answers

    What can specify additional items to be carried by an SSE(Signal) during an inspection?

    <p>Sr.Divisional Signal and Telecommunication Engineer</p> Signup and view all the answers

    What is the purpose of an SSE(Signal) possessing Various registers at the station during an inspection?

    <p>To update registers</p> Signup and view all the answers

    Why does an SSE(Signal) need to possess OEM check lists of Signalling equipments during an inspection?

    <p>To inspect signaling gears</p> Signup and view all the answers

    What is the purpose of an SSE(Signal) possessing Track circuit bonding plan during an inspection?

    <p>To inspect track circuit bonding</p> Signup and view all the answers

    What is the purpose of an SSE(Signal) possessing Interface Circuits during an inspection?

    <p>To inspect interface circuits</p> Signup and view all the answers

    What should a Technician (Signal) do before starting maintenance at a station?

    <p>Take an exception report from the Datalogger</p> Signup and view all the answers

    What should a Technician (Signal) do if he notices an unsafe failure?

    <p>Suspend the signals and inform the SM concerned</p> Signup and view all the answers

    What should a Technician (Signal) ensure before restoring normal working?

    <p>That the failure has been attended to and certified by the SSE/JE (Signal)</p> Signup and view all the answers

    What should a Technician (Signal) maintain according to the program laid down by his SSE/JE (Signal)?

    <p>A record of his visits</p> Signup and view all the answers

    What should a Technician (Signal) obtain before leaving any gear in a disconnected condition?

    <p>Advice from the ASM, duly acknowledged by him</p> Signup and view all the answers

    What should a Technician (Signal) attend to promptly?

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

    What should a Technician (Signal) deploy as and when necessary?

    <p>Men for look out duties</p> Signup and view all the answers

    What should a Technician (Signal) ensure before disconnecting or altering any connection in the interlocking circuits?

    <p>Obtain the approval of the SSE/JE (Signal)</p> Signup and view all the answers

    What should be briefly contained in the handing over charge statement while relinquishing charge of a section?

    <p>All of the above including overhauling and testing of interlocking frames</p> Signup and view all the answers

    What is the purpose of jointly signing the handing over charge statement?

    <p>To inform the Sr.Divisional Signal and Telecommunication Engineer</p> Signup and view all the answers

    What should the relieving SSE(Signal)/Incharge examine during the handing over process?

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

    What should be recorded in the handing over charge statement?

    <p>Only errors and discrepancies noted during handing over and taking over</p> Signup and view all the answers

    What should be submitted to the Sr.Divisional Signal and Telecommunication Engineer?

    <p>A copy of the handing over charge statement</p> Signup and view all the answers

    What is the purpose of the handing over charge statement?

    <p>To ensure a smooth transition of charge</p> Signup and view all the answers

    What should be checked during the handing over process?

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

    What is the purpose of the relieving SSE(Signal)/Incharge initialing the office records and ledgers?

    <p>To ensure the accuracy of the records</p> Signup and view all the answers

    What is the primary responsibility of a Helper in relation to testing and maintenance?

    <p>Assisting the Supervisor/Technician during testing and maintenance</p> Signup and view all the answers

    What is the purpose of Annexure 3-A2?

    <p>To document the inspection of foot plates</p> Signup and view all the answers

    What is the primary responsibility of a Technician (Signal) in relation to documentation?

    <p>Maintaining the Competency Certificate cum Training History book</p> Signup and view all the answers

    What is the purpose of Annexure 3-A4?

    <p>To document the action taken in case of accidents</p> Signup and view all the answers

    Who is responsible for accompanying the Technician/SSE/JE during their day-to-day work?

    <p>The Helper</p> Signup and view all the answers

    What is the primary purpose of Annexure 3-A7?

    <p>To certify the SSE/JE's progress</p> Signup and view all the answers

    What is the primary responsibility of a Technician (Signal) in relation to testing and maintenance?

    <p>Removing obstructions to points and checking RE bonds</p> Signup and view all the answers

    What is the purpose of Annexure 3-A12?

    <p>To certify the Competency Certificate cum Training History</p> Signup and view all the answers

    What can be caused by a flat tyre?

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

    What is the rejection limit in depth of flange for BG?

    <p>35 mm</p> Signup and view all the answers

    What can be formed due to excessively worn-out tyres on tread?

    <p>False Flange</p> Signup and view all the answers

    What may happen if the hollowness of a tyre is more?

    <p>The wheel may ride over the rails</p> Signup and view all the answers

    Where can a false flange ride over, creating conditions favourable to derailment?

    <p>Wing rails</p> Signup and view all the answers

    What can a deep flange tend to ride on?

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

    What can cause hammering action on the rail?

    <p>Flat tyre</p> Signup and view all the answers

    What may take place due to a flat tyre?

    <p>Rail fractures</p> Signup and view all the answers

    What should the SSE(Signal)/Incharge of works submit every month to the Dy.CSTE (Construction)?

    <p>A Progress Report of all the works in his charge</p> Signup and view all the answers

    What should the SSE(Signal)/Incharge ensure before commissioning/opening of a new work or alteration to an existing work?

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

    What should the SSE(Signal)/Incharge submit to the Sr.DSTE/Dy.CSTE (Construction) immediately after a new work/alteration has been brought into service?

    <p>A Completion Certificate</p> Signup and view all the answers

    What should the SSE(Signal)/Incharge advise the Sr.DSTE/Dy.CSTE (Construction) about?

    <p>When a work will be ready for opening</p> Signup and view all the answers

    What should the SSE(Signal)/Incharge correct and endorse in case of minor alterations?

    <p>Existing diagrams</p> Signup and view all the answers

    Who should arrange for fixing a date and issue necessary notices when a work is ready for opening?

    <p>Sr.DSTE/Dy.CSTE (Construction)</p> Signup and view all the answers

    What should the SSE(Signal)/Incharge submit to the Dy.CSTE (Construction) as per Annexure: 3-A7?

    <p>A Progress Report</p> Signup and view all the answers

    When should the SSE(Signal)/Incharge submit a Completion Certificate to the Sr.DSTE/Dy.CSTE (Construction)?

    <p>Immediately after a new work/alteration has been brought into service</p> Signup and view all the answers

    What does a Technician (Signal) need to submit to his Sectional SSE/JE (Signal)?

    <p>A fortnightly report of his maintenance activities</p> Signup and view all the answers

    What is necessary for a Technician (Signal) to undertake works necessitating Disconnection Notices?

    <p>A Competency Certificate cum Training History book</p> Signup and view all the answers

    What should Warner/Distant and Stop Signals be kept in when disconnecting point equipment switches or signals for repairs?

    <p>The 'ON' position</p> Signup and view all the answers

    What must a Technician (Signal) possess to handle certain signaling equipments?

    <p>A Competency Certificate</p> Signup and view all the answers

    What should a Technician (Signal) advise the Station Master about in writing?

    <p>The need to disconnect any equipment for repairs</p> Signup and view all the answers

    What must be sealed by a Technician (Signal) after opening it for maintenance?

    <p>The equipment itself</p> Signup and view all the answers

    What is the purpose of a Technician (Signal) obtaining the signature of the Station Master?

    <p>To obtain permission for the maintenance</p> Signup and view all the answers

    What must a Technician (Signal) take before leaving his Headquartered Station?

    <p>Permission from his sectional SSE/JE (Signal)</p> Signup and view all the answers

    What is the primary cause of 'Breakage of part'?

    <p>Power degradation</p> Signup and view all the answers

    Which of the following is not a type of Track Circuit Failure?

    <p>Block Instrument Failure</p> Signup and view all the answers

    What is the primary cause of 'Interlocking'?

    <p>Electro Mechanical Interlocking</p> Signup and view all the answers

    What is the primary cause of 'Lifting Barrier'?

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

    What is the primary cause of 'Miscellaneous'?

    <p>Right during testing</p> Signup and view all the answers

    What is the primary cause of 'Block Instrument Failure'?

    <p>Block Panel</p> Signup and view all the answers

    What is the primary cause of 'TCAS'?

    <p>Line side</p> Signup and view all the answers

    What is the primary cause of 'Staff working'?

    <p>Staff working</p> Signup and view all the answers

    What should a Technician (Signal) obtain from the SSE/JE (Signal) when necessary for maintenance and repair work?

    <p>Full particulars of station, location and gears to be replaced</p> Signup and view all the answers

    What should a Technician (Signal) always take with him when on duty?

    <p>His tools</p> Signup and view all the answers

    What is the duty of Helpers/Assistants in terms of cleaning?

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

    What should a Technician (Signal) report to his supervisor?

    <p>Any infringement of signal/Ladder etc.</p> Signup and view all the answers

    What should a Technician (Signal) do with released materials?

    <p>Return them to the SSE/JE (Signal) immediately</p> Signup and view all the answers

    What should Helpers/Assistants maintain with them for day-to-day work?

    <p>Minimum essential tools</p> Signup and view all the answers

    What is the duty of Helpers/Assistants in terms of loading/unloading of materials?

    <p>Load/unload T&amp;P items and all materials as per instructions of Supervisor</p> Signup and view all the answers

    What should Helpers/Assistants report to their supervisor?

    <p>Any rubbing of stretcher bar with Stock Rail bottom</p> Signup and view all the answers

    What is the primary purpose of Cause Wise Analysis of Signal Incidences?

    <p>To identify the cause of signal failures</p> Signup and view all the answers

    Which of the following is a type of equipment failure that can cause signal incidents?

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

    What is the primary cause of signal incidents related to S&T Account (A)?

    <p>Equipment failure</p> Signup and view all the answers

    Which of the following is a type of maintenance that can help prevent signal incidents?

    <p>Regular testing of signal equipment</p> Signup and view all the answers

    What is the primary purpose of identifying the position of signal incidents?

    <p>To identify the location of the incident</p> Signup and view all the answers

    Which of the following is a type of signal incident that can be caused by bad maintenance?

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

    What is the primary purpose of analyzing the cumulative frequency of signal incidents?

    <p>To identify trends and patterns in signal incidents</p> Signup and view all the answers

    Which of the following is a type of equipment that can be used to test signal circuits?

    <p>Cable Fault Locator</p> Signup and view all the answers

    Study Notes

    Maintenance and Inspection

    • Cleaning and lubricating without affecting physical electrical disconnection:
      • Lever frame basement
      • Relay Room & Battery Room
      • Apparatus case/battery boxes/Goomty
      • Lifting barrier mechanism including winch
      • Lever lock and circuit controller without opening cover
      • Inspection and cleaning of inside equipment by opening covers of point machines, signal motors, reversers, apparatus cases, and detectors
      • Point, facing point lock, and lock bar
      • Cranks, compensators, pullies, wheels, roller stands, counterweights, and levers
      • Power supply equipment
      • Insulation joints
      • Lens/roundels of signal, point indicator, trap indicator, and shunt permitting indicator

    Testing

    • Testing of:
      • Track locking, approach locking, back locking, indication locking, and route release
      • Various parameters of axle counter without disconnecting equipment
      • Power supply equipment
      • Lever frame, SM's control frame, signal operation, point operation, level crossing gate, and slot circuits
      • Point by obstruction test for lock only
      • Track circuit parameters when the track is unoccupied
      • Focusing of color light signal

    Adjustment

    • Adjustment of:
      • Wire transmission (except double wire operated point transmission)
      • Tightening of terminals using insulated tools without causing shorts on adjacent terminals

    Replacement

    • Replacement of:
      • Electric signal lamp
      • Bond wire (one at a time)
      • Plug-in relay (if traffic conditions permit)
      • Indicator lamps
      • Push button/switch/key of panel

    Duties of Technicians and Signal Supervisors

    • Each Technician (Signal) shall:
      • Maintain and test equipment under their charge as per maintenance schedule
      • Submit fortnightly report of maintenance activities to Sectional SSE/JE (Signal)
      • Possess a book of Disconnection Notices
      • Possess a valid Competency Certificate for handling Signaling equipments
      • Seal equipment opened by them under their competence

    Inspection and Testing Certificates

    • Each SSE(Signal)/Incharge shall submit an Inspection and Testing Certificate monthly for each station/installation inspected
    • The Certificate shall indicate the condition of gear inspected and brief remarks on assistance required

    Accompanying Important Inspections

    • Each SSE(Signal) accompanying an inspection must have certain items in their possession, including signaling interlocking plans, yard diagrams, and cable route plans.
    • They must also have interface circuits, application logic circuits, and track circuit bonding plans.
    • Other required items include location box details, wire diagrams, and OEM checklists for signaling equipment.
    • The SSE(Signal) must also have various registers, such as an asset register, battery checking register, and signal incidence register.

    Inspections and Testing

    • The SSE(Signal) is responsible for inspecting and testing signaling equipment, including interlocking frames, block instruments, and point machines.
    • They must also inspect and test relays, and perform general notes regarding painting, renewals, and replacements.

    Relinquishment of Charge

    • When relinquishing charge of a section, the SSE(Signal) must prepare a handing-over charge statement that includes section particulars, details of sanctioned and proposed works, and general notes.
    • The statement must also include information about materials, stores, and important documents, as well as the status of scheduled inspections and officer inspections.

    Duties of Signal Supervisors and Technical Staff

    • The SSE(Signal) is responsible for maintaining a record of visit reports, and must adhere to the program laid down by their supervisor.
    • The Technician(Signal) must attend to signal failures promptly, and ensure that normal working is not restored until the failure has been attended to, tested, and certified by the SSE(JE).
    • The Technician(Signal) is also responsible for assisting the supervisor during testing, maintenance, and inspections, and for carrying tools and plants for maintenance and failures.

    Helper's Duties

    • The Helper's technical duties include removing obstructions to points, removing excess bars from insulation joints, and checking RE bonds and their intactness.
    • The Helper must also check for water logging in track-circuited areas, and assist the technician during testing, maintenance, and inspections.

    Annexures

    • There are 13 annexures to this chapter, including a signal visibility certificate, footplate inspection of signals, and an SSE(JE)'s progress report.
    • Other annexures include a list of drawings and registers at a station, a cause-wise analysis of signal incidents, and a technician's report.

    Progress Report of Works

    • The SSE(Signal)/Incharge of works shall submit a Progress Report every month to the Dy.CSTE (Construction) as per Annexure: 3-A7.
    • The report shall include:
    • Progress of work and probable date of completion
    • Reference to requisitions or work orders against which supply has not been made; also details of items which are particularly required and on account of which works are being delayed
    • Delays arising from other causes

    Opening of Works

    • The SSE(Signal)/Incharge of works shall advise the Sr.DSTE/Dy.CSTE (Construction) when a work will be ready for opening.
    • The approved plans, Control Table, circuit diagrams, CRS/PCSTE sanctions, required approvals, OEM test certificates of equipments, FAT/SAT Testing reports etc. shall be available before commissioning /opening.

    Completion Certificate and Completion Report

    • The SSE(Signal)/Incharge shall submit a Completion Certificate to the Sr.DSTE/Dy.CSTE (Construction) as per Annexure: 3-A8 immediately after a new work/alteration to an existing installation has been brought into service.
    • Each Technician(Signal) shall maintain and test all the equipments under his charge, as per maintenance schedule specified for various gears.
    • Each Technician(Signal) shall submit a fortnightly report of his maintenance activities to his Sectional SSE/JE (Signal).

    Disconnection of Equipment

    • Each Technician(Signal) shall have in his possession a book of Disconnection Notices as per Annexure: 3-A10.
    • A Technician (Signal) who is in possession of a Competency Certificate cum Training History book (Annexure: 3-A12) only shall independently undertake works necessitating issues of Disconnection Notices.
    • Disconnection Notices need not be issued in situations as listed in Annexure: 3-A11 provided suitable precautions are taken.

    Duties of Technician (Signal)

    • A Technician (Signal) shall possess valid Competency Certificate for handling Signalling equipments like Block instruments, EI, MSDAC etc.
    • A Technician (Signal) shall, where necessary, get his requirements of materials for maintenance and repair work from the SSE/JE (Signal), giving full particulars of station, location and the gears to be replaced.
    • Released materials shall be returned to the SSE/JE(Signal) immediately.
    • A Technician (Signal) shall always take his tools with him when on duty.
    • All tools shall be kept in a condition fit for immediate use.

    Co-operation between Technicians

    • Technician (Signal) shall co-operate in testing of all the signals.
    • Technician (Signal) shall extend full co-operation to each other in their day-to-day work.

    Duties of Helpers/Assistants

    • The general duties of Helpers/Assistants are as follows:
    • Cleaning of Glued Joints/Block joints
    • Cleaning of all S&T gears and their up keeping
    • Painting of all S&T gears and their up keeping
    • Cleaning of garbage/vegetation under Point rodding and surrounding of all signaling gears/locations
    • Cleaning of chair plates and maintaining their lubrication
    • Reporting of any infringement of signal/Ladder etc.
    • Upkeep of Relay room, Power room, Battery room, Maintenance room, Store room etc.
    • Maintaining minimum essential tools with him for day to day works as per instructions of Technician/SSE/JE(Signal)
    • Loading/unloading/Handling of T&P items and all materials as per instructions of Supervisor
    • Manning and protection of installations/S&T gears on need basis as guided by Supervisor
    • Reporting of rubbing of stretcher bar with Stock Rail bottom (if any)

    Cause Wise Analysis of Signal Incidences

    • The analysis includes causes such as:
    • S&T Account (A) including equipment failure, lamp fusing, cable, relay failure, point M/c, fuse blown off, bad maintenance, track circuit failure, block instrument failure, interlocking, lifting barrier, miscellaneous, and TCAS (Train Collision Avoidance System)

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    Description

    This quiz covers the procedures for cleaning and lubricating railway equipment without disconnecting electrical systems, including maintenance of lever frames, relay rooms, and point machines.

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