Railway Track Gauge Standards
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Questions and Answers

What is the maximum height above rail level for the floor of any unloaded vehicle that includes side doors for platform loading?

  • 1200mm
  • 1105mm
  • 1275mm
  • 1345mm (correct)

    • What is the minimum height above rail level for the floor of a fully loaded goods vehicle that has side doors for loading?

  • 1275mm
  • 1030mm
  • 1145mm (correct)
  • 1200mm

    • How far apart are the centers of buffers required to be?

  • 2100mm
  • 1800mm
  • 1956mm (correct)
  • 1500mm

    • What is the minimum height above rail level for the center of buffers for a fully loaded vehicle?

    <p>1030mm</p> Signup and view all the answers

    Which of the following is a requirement for the minimum height of the coupling line at the outer ends of a unitized wagon?

    <p>It must not be less than 770mm in unloaded condition.</p> Signup and view all the answers

    What is the incline of the tread specified in the content?

    <p>1 in 20</p> Signup and view all the answers

    Which parameter is NOT applicable for goods vehicles without side doors?

    <p>Minimum height above rail level for the floor.</p> Signup and view all the answers

    What is the maximum height for the center of buffers for unloaded vehicles?

    <p>1105mm</p> Signup and view all the answers

    What is the maximum width over open doors, including all projections, for passenger vehicles?

    <p>4040mm</p> Signup and view all the answers

    Which type of vehicle doors are exempt from the maximum width rule?

    <p>Horse boxes</p> Signup and view all the answers

    What is the maximum height above rail level at the sides of unloaded vehicles?

    <p>3735mm</p> Signup and view all the answers

    For a width of 1015mm, what is the maximum height above rail level on either side of the centre for unloaded vehicles?

    <p>4265mm</p> Signup and view all the answers

    What is the minimum height above rail level when fully loaded with respect to a width of 1220mm?

    <p>91mm</p> Signup and view all the answers

    How much can destination boards for passenger vehicles project above the maximum height?

    <p>76mm</p> Signup and view all the answers

    Which railway section requires clearance before permitting stock for general adoption?

    <p>Andal-Sainthia Chord</p> Signup and view all the answers

    What is the maximum moving dimension for stock exceeding the 1929 profile?

    <p>4265mm</p> Signup and view all the answers

    What is the projection range below the minimum height for a tyre or wheel attachment?

    <p>51mm to 216mm</p> Signup and view all the answers

    Which of the following regulations applies only when the vehicle is empty?

    <p>Maximum height for unloaded vehicles</p> Signup and view all the answers

    What is the minimum projection for the flange of a new tyre measured from the tread?

    <p>28.5mm</p> Signup and view all the answers

    What is the maximum thickness for standard flanges measured at 13mm from the outer edge?

    <p>28mm</p> Signup and view all the answers

    What is the minimum width of locomotive wheels other than coupled?

    <p>127mm</p> Signup and view all the answers

    What is the maximum height above rail level for centres of buffers and CBC for an empty locomotive?

    <p>1105mm</p> Signup and view all the answers

    What tread inclination is applied to all profiles except for the wear adopted profile?

    <p>1 in 20</p> Signup and view all the answers

    What is the maximum height above rail level for a width of 915mm on either side of the centre of unloaded vehicles?

    <p>4725mm</p> Signup and view all the answers

    What is the minimum height above rail level when fully loaded for a width of 1450mm on either side of the centre of track?

    <p>102mm</p> Signup and view all the answers

    What is the maximum width at a height of 3380mm above rail level?

    <p>3710mm</p> Signup and view all the answers

    What is the maximum diameter on the tread of new locomotive carrying 1250mm wheels measured at 63.5mm from wheel gauge face?

    <p>1250mm</p> Signup and view all the answers

    What is the maximum height above rail level at the sides of unloaded vehicles?

    <p>4265mm</p> Signup and view all the answers

    What is the minimum height above rail level when fully loaded at 1755mm from the centre of track?

    <p>305mm</p> Signup and view all the answers

    Which wheel gauge distance is applicable for wheels with standard flanges?

    <p>1600mm</p> Signup and view all the answers

    What is the maximum height above rail level for a width of 915mm on either side of the centre of track?

    <p>4750mm</p> Signup and view all the answers

    What is the maximum width at a height of 4295mm above rail level?

    <p>3555mm</p> Signup and view all the answers

    What is the minimum diameter on the tread of new locomotive carrying 914mm wheels measured at 63.5mm from wheel gauge face?

    <p>914mm</p> Signup and view all the answers

    What is the maximum height above rail level at the center for loaded vehicles?

    <p>4265mm</p> Signup and view all the answers

    What is the minimum height above rail level when fully loaded at 1525mm from the center of track?

    <p>305mm</p> Signup and view all the answers

    What is the maximum width over all projections at 102mm above rail level when fully loaded?

    <p>2895mm</p> Signup and view all the answers

    For passenger vehicles, what is the maximum width over open doors including all projections?

    <p>4495mm</p> Signup and view all the answers

    At what height above rail level does the maximum width of rolling stock, when fully loaded, reach 3660mm?

    <p>1145mm</p> Signup and view all the answers

    What is the maximum height above rail level at the sides for filled vehicles?

    <p>3735mm</p> Signup and view all the answers

    What is the maximum width over open doors for goods vehicles, including all projections?

    <p>4500mm</p> Signup and view all the answers

    What is the maximum moving dimension at 305mm above rail level when fully loaded?

    <p>3505mm</p> Signup and view all the answers

    Which dimension requires special sanction of the Railway Board for rolling stock design?

    <p>Width of rolling stock</p> Signup and view all the answers

    What is the maximum height above rail level for empty vehicles when the maximum height is 4265mm?

    <p>3505mm</p> Signup and view all the answers

    What is the maximum diameter on the tread of a new carriage or wagon wheel at 63.5 mm from the wheel gauge face?

    <p>1092mm</p> Signup and view all the answers

    What is the minimum projection for the flange of a new tyre measured from the tread at 63.5mm from the wheel gauge face?

    <p>28.5mm</p> Signup and view all the answers

    Under what condition can the minimum diameter on the tread of a new wagon wheel be reduced to 840mm?

    <p>For loaded wagons on curves sharper than 875m radius</p> Signup and view all the answers

    What is the maximum thickness of the flange of a tyre measured from the wheel gauge face at 13mm from the outer edge?

    <p>29.4mm</p> Signup and view all the answers

    What is the minimum thickness of the flange of a tyre measured from the wheel gauge face at 13mm?

    <p>16mm</p> Signup and view all the answers

    What is the maximum projection for the flange of a worn tyre measured from the tread at 63.5mm from the wheel gauge face?

    <p>35.0mm</p> Signup and view all the answers

    For operation of loaded wagons at an axle load between 22t and 25t, what is the limit of wheel flat allowed?

    <p>50mm</p> Signup and view all the answers

    What is the wheel gauge distance apart for standard wheel flanges?

    <p>1602mm</p> Signup and view all the answers

    What is the minimum height above rail level when fully loaded for a width of 1525mm from the center of track?

    <p>305mm</p> Signup and view all the answers

    Which railway section requires clearance before permitting stock for general adoption due to exceeding the 1929 profile?

    <p>S.E.C.Railway - Bilaspur-Katni</p> Signup and view all the answers

    What is the maximum height above rail level for a width of 1015mm on either side of the center of unloaded vehicles?

    <p>4265mm</p> Signup and view all the answers

    Which of the following parameters is related to the projection of tyre or wheel attachments below the minimum height?

    <p>51mm inside to 216mm outside of the gauge face</p> Signup and view all the answers

    What is the maximum width over open doors for vehicles, including all projections?

    <p>4265mm</p> Signup and view all the answers

    What is the maximum width over all projections for a fully loaded vehicle at a height of 305mm above rail level?

    <p>3505mm</p> Signup and view all the answers

    At what height above rail level does the maximum width over all projections reach 3505mm when the vehicle is fully loaded?

    <p>305mm</p> Signup and view all the answers

    What is the maximum height above rail level for loaded vehicles when considering the overall width?

    <p>3355mm</p> Signup and view all the answers

    Which of the following is the maximum width over open doors, including all projections, for goods vehicles?

    <p>4500mm</p> Signup and view all the answers

    What is the maximum height above rail level at the center for fully loaded vehicles?

    <p>4265mm</p> Signup and view all the answers

    What is the maximum width over all projections for a fully loaded vehicle at 1145mm above rail level?

    <p>3505mm</p> Signup and view all the answers

    What is the minimum height above rail level when fully loaded for a width of 1525mm from the center of the track?

    <p>305mm</p> Signup and view all the answers

    What dimension should not be adopted in rolling stock designs without special sanction from the Railway Board?

    <p>Maximum future moving dimensions</p> Signup and view all the answers

    At what height above rail level is the maximum width of rolling stock, when empty, specified as 3505mm?

    <p>4265mm</p> Signup and view all the answers

    What is the maximum height above rail level when empty, to maintain a vibration-free operation?

    <p>4265mm</p> Signup and view all the answers

    What is the maximum diameter on the tread of a new carriage wheel measured at 63.5 mm from the wheel gauge face?

    <p>1092mm</p> Signup and view all the answers

    What is the maximum height above rail level for the floor of an unloaded vehicle?

    <p>2100mm</p> Signup and view all the answers

    What is the minimum thickness of the flange of a tyre measured from the wheel gauge face?

    <p>16mm</p> Signup and view all the answers

    What is the maximum projection for a worn tyre flange measured from the tread?

    <p>35.0mm</p> Signup and view all the answers

    What is the maximum rigid wheel base allowed for a four-wheeled vehicle when subject to a specific speed restriction?

    <p>8000mm</p> Signup and view all the answers

    What is the minimum height above rail level for the centers of buffers and CBC couplers when the vehicle is fully loaded?

    <p>1030mm</p> Signup and view all the answers

    What is the minimum width of the tyre required?

    <p>127mm</p> Signup and view all the answers

    What is the maximum thickness of the flange for standard tyres measured at 13mm from the outer edge?

    <p>32mm</p> Signup and view all the answers

    What is the incline of the tread applied to all profiles except for those adopted for wear?

    <p>1 in 20</p> Signup and view all the answers

    What is the minimum projection required for the flange of a new tyre when measured from the tread?

    <p>27.5mm</p> Signup and view all the answers

    What is the minimum required distance between bogie centres for bogie vehicles?

    <p>5400mm</p> Signup and view all the answers

    What is the maximum body length allowed for a bogie vehicle?

    <p>21340mm</p> Signup and view all the answers

    Under what condition can the maximum length of a bogie vehicle's body exceed 14900mm?

    <p>When the mid-throw is lower than that for vehicles of 21340mm length.</p> Signup and view all the answers

    What is the maximum allowed distance apart for bogie centres of bogie vehicles?

    <p>16000mm</p> Signup and view all the answers

    What is the minimum rigid wheelbase required for bogie trucks of any vehicle?

    <p>1800mm</p> Signup and view all the answers

    What is the maximum length permitted over centre buffer couplers for bogie vehicles when coupled as a single unit?

    <p>24000mm</p> Signup and view all the answers

    What is the maximum length of a body or roof allowed for a 4-wheeled vehicle if speed cannot exceed 60kmph?

    <p>13590mm</p> Signup and view all the answers

    For two coupled units of track machines working as one unit, what is the maximum length allowed for the body or roof?

    <p>38200mm</p> Signup and view all the answers

    What specification applies to the maximum moving dimension for bogie vehicles?

    <p>Must maintain mid-throw limits.</p> Signup and view all the answers

    What governs the maximum length allowed over side buffers for a 4-wheeled vehicle when speed is considered?

    <p>Limit of 9810mm under standard conditions.</p> Signup and view all the answers

    Study Notes

    Railway Track Gauge and Loading Gauge for Vehicles

    • Minimum width of a Tyre: 127mm for non-coupled locomotive wheels, 133mm for coupled locomotive wheels.
    • Incline of Tread: 1 in 20 for all profiles except wear-adopted profile.
    • Maximum Height of Vehicle Floor Above Rail Level: 1345mm for unloaded vehicles with side doors for platform loading/unloading, 1200mm for fully loaded vehicles other than goods vehicles, and 1145mm for fully loaded goods vehicles with side doors.
    • Minimum Height of Vehicle Floor Above Rail Level: 1145mm for fully loaded goods vehicles with side doors.
    • Distance Between Centers of Buffers: 1956mm.
    • Maximum Height of Center of Buffers and CBC Couplers for Unloaded Vehicle: 1105mm.
    • Minimum Height of Center of Buffers and CBC Couplers for Fully Loaded Vehicle: 1030mm.

    Loading Gauge for Goods Vehicles

    • Maximum Width: 3250mm.
    • Maximum Height Above Rail Level at Center: 4265mm.
    • Maximum Height Above Rail Level at Sides: 3735mm.

    Rolling Stock, 3660mm Wide Stock

    • Maximum Width Over All Projections: 2895mm at 102mm above rail level, 3505mm at 305mm above rail level and from 305mm to 1145mm above rail level when fully loaded, 3660mm from 1145mm to 3355mm above rail level when empty, and 3505mm at 4265mm above rail level when empty.
    • Maximum Width Over Open Doors: 4495mm for passenger vehicles, 4500mm for goods vehicles.
    • Maximum Height Above Rail Level for a Width of 915mm on Either Side of Center of Unloaded Vehicles: 4725mm.
    • Maximum Height Above Rail Level at Sides of Unloaded Vehicles: 4265mm.
    • Minimum Height Above Rail Level When Fully Loaded: 102mm for a width of 1450mm on either side of the center of the track (excluding wheels).

    Loading Gauge for Goods Vehicles (3660mm Stock)

    • Maximum Width: 3710mm at 3380mm above rail level, 3555mm at 4295mm above rail level.
    • Maximum Height Above Rail Level for a Width of 915mm on Either Side of the Center of Track: 4750mm.
    • Maximum Height Above Rail Level at Sides: 4295mm.

    Rolling Stock (Locomotive)

    • Wheel Gauge:
      • Wheels with thick flanges/wear-adopted profile: 1596mm.
      • Wheels with standard flanges: 1600mm.
      • Wheels with thin flanges: 1600mm.
      • Wheels without flanges: 1600mm.
    • Maximum Diameter of Locomotive Carrying Wheels: 1250mm at 63.5mm from wheel gauge face.
    • Minimum Diameter of Locomotive Carrying Wheels: 914mm at 63.5mm from wheel gauge face.
    • Minimum Projection of Flange for New Tyre: 28.5mm at 63.5mm from wheel gauge face.
    • Maximum Projection of Flange for Worn Tyre: 35mm at 63.5mm from wheel gauge face.
    • Maximum and Minimum Thicknesses of Tyre Flanges:
      • Thick flanges/wear-adopted profile: 32mm (maximum), - (minimum).
      • Standard flanges: 28mm (maximum), - (minimum).
      • Thin flanges: 18mm (maximum), - (minimum).
    • Minimum Width of Tyres:
      • Coupled locomotive wheels: 133mm.
      • Other locomotive wheels: 127mm.

    Locomotive Buffers and Couplers

    • Distance Between Centers of Buffers: 1956mm.
    • Maximum Height Above Rail Level: 1105mm for empty locomotive.
    • Minimum Height Above Rail Level: 1030mm for fully loaded locomotive.

    Rolling Stock (Carriage & Wagon)

    • Wheel Gauge: Maximum 1602mm, Minimum 1599mm
    • Wheel Diameter: Maximum new wheel diameter (measured at 63.5mm from wheel gauge face): 1092mm
    • Minimum Wheel Diameter: Minimum new wheel diameter (measured at 63.5mm from wheel gauge face): 914mm
      • Can be reduced to 840mm under specific conditions
        • Operation on sharp curves (< 875m radius) with speed restrictions
        • Specific rail grades
        • Limited wheel flat of 50mm
    • Flange Projection: Minimum new tyre projection (measured at 63.5mm from wheel gauge face): 28.5mm
    • Flange Thickness: Maximum flange thickness (measured at 13mm from outer edge of flange): 29.4mm
    • Minimum Height above Rail: For fully loaded vehicles (measured at 1525mm from center of track): 305mm

    Goods Loading Gauge

    • Maximum Width: 3250mm
    • Maximum Height: 4265mm (center), 3735mm (sides)

    Rolling Stock (3660mm Wide Stock)

    • Maximum Width: Varies depending on height above rail level
      • 102mm above rail level: 2895mm
      • 305mm to 1145mm above rail level: 3505mm
      • 1145mm to 3355mm above rail level: 3660mm
      • 4265mm above rail level (empty): 3505mm
    • Open Door Width: Maximum width over open doors, including all projections:
      • Passenger vehicles: 4495mm
      • Goods vehicles: 4500mm

    Rolling Stock (Track Machines)

    • Wheel Gauge: Maximum 1602mm, Minimum 1599mm
    • Wheel Diameter: Maximum new wheel diameter (measured at 63.5mm from wheel gauge face): 1092mm
    • Minimum Wheel Diameter: Minimum new wheel diameter (measured at 63.5mm from wheel gauge face): 730mm
    • Flange Projection: Minimum new tyre projection (measured at 63.5mm from wheel gauge face): 27.5mm
    • Flange Thickness: Maximum flange thickness (measured at 13mm from outer edge of flange): 32mm
    • Minimum Tyre Width: 127mm
    • Tread Incline : 1 in 20
    • Maximum Floor Height (Unloaded): 2100mm
    • Minimum Floor Height (Fully Loaded ): 1145mm
    • Buffer Spacing: Distance apart for centers of buffers: 1956mm
    • Buffer Height (Unloaded): Maximum height above rail level for centers of buffers & CBC couplers: 1105mm
    • Buffer Height (Fully Loaded): Minimum height above rail level for centers of buffers & CBC couplers: 1030mm

    Wheel Base & Length of Vehicles

    • Maximum Rigid Wheel Base (4-Wheeled Vehicles): 6100mm
      • Can be increased to 8000mm with speed restrictions (max 60kmph)
    • Minimum Bogie Center Distance: 5400mm
    • Maximum Bogie Center Distance: 16000mm
      • Can be increased beyond 14900mm with specific conditions on mid-throw
    • Minimum Rigid Wheel Base (Bogie Truck): 1800mm
    • Maximum Length of Body or Roof:
      • 4-wheeled vehicles: 8540mm
        • Can be increased to 13590mm with speed restrictions (max 60kmph)
      • Bogie Vehicles: 21340mm
        • Can be increased up to 23540mm for single units with specific end-throw requirements
        • Can be increased up to 38200mm if 2 units coupled as one with specific end-throw requirements
    • Maximum Length over Couplers:
      • 4-wheeled vehicles: 9810mm
        • Can be increased to 14780mm with speed restrictions (max 60kmph)
      • Bogie Vehicles: 22300mm
        • Can be increased up to 24000mm for single units with specific length requirements
    • Maximum Width Over Open Doors: 4265mm
    • Maximum Height (Unloaded): 4265mm (at width of 1015mm on either side of center)
    • Maximum Height at Sides (Unloaded): 3735mm
    • Minimum Height (Fully Loaded): 91mm at a width of 1220mm on either side of center with exceptions for wheels and attachments
    • Minimum Height (Fully Loaded): 305mm (centered at 1525mm from the center of track)

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    Description

    This quiz covers the critical specifications for railway track gauge and loading gauge for vehicles. It includes details about tire width, vehicle floor height, and buffer center measurements, essential for understanding railway vehicle compatibility. Test your knowledge on these important engineering standards.

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