Questions and Answers
What does the Schedule of Dimensions (SOD) lay down for Track, Structures, and Rolling Stock?
Horizontal and vertical clearances
What is the purpose of the lurching motion experienced by rail vehicles?
Oscillates from side to side due to clearance between the flanges and gauge face of the rail
What allows new types of rail vehicles to ply on the entire railway system with the same level of safety?
Following the Schedule of Dimensions (SOD)
Why is the Schedule of Dimensions (SOD) necessary?
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What causes the bouncing motion of rail vehicles?
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Study Notes
Schedule of Dimensions (SOD)
- Defines the standards for Track, Structures, and Rolling Stock to ensure interoperability and safety across the railway system.
Lurching Motion
- The lurching motion experienced by rail vehicles is caused by the conicality of wheels, which is necessary to guide the vehicle along the track.
Interoperability
- The Schedule of Dimensions (SOD) enables new types of rail vehicles to operate safely across the entire railway system by ensuring they conform to standard dimensions.
Purpose of SOD
- The Schedule of Dimensions (SOD) is necessary to ensure the safe and efficient operation of rail vehicles across the entire railway system by providing a common standard for Track, Structures, and Rolling Stock.
Bouncing Motion
- The bouncing motion of rail vehicles is caused by the spring suspension of the bogies, which absorbs shocks and ensures a smoother ride.
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