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The outer and inner wheels though cast monolithic, cover different distances on a curve for the same number of revolutions because of:
- a)Coning of wheels
- b)Widening of gauge
- c)Tilting of rails
- d)Adzing of sleepers
Correct answer is option 'A'. Can you explain this answer?
Most Upvoted Answer
The outer and inner wheels though cast monolithic, cover different dis...
Coning of wheels
The correct answer is option 'A': Coning of wheels. This phenomenon is responsible for the outer and inner wheels covering different distances on a curve for the same number of revolutions.
Explanation:
When a train moves on a curved track, the outer rail has a larger circumference compared to the inner rail. This means that the outer wheel needs to cover a longer distance in order to complete one revolution compared to the inner wheel. The reason behind this difference in circumference is the coning of wheels.
Coning of wheels refers to the slight inclination or tapering of the wheels. The wheels are tapered in such a way that the outer diameter is greater than the inner diameter. This coning is done intentionally to ensure stability and safety during train operations.
Reasons for coning of wheels:
- Compensation for lateral forces: When a train moves on a curved track, there are lateral forces acting on the wheels due to the centrifugal force. These forces tend to push the train towards the outer rail. The coning of wheels helps to counterbalance these forces and maintain stability.
- Reduced wear and tear: Coning also helps to distribute the load evenly on the wheels. When a train moves on a straight track, the wheels tend to experience more wear and tear on the inner edges. By coning the wheels, the contact patch between the wheel and rail is increased, reducing the wear and tear on the inner edges.
Effects of coning on wheel movement:
- When a train enters a curve, the outer wheel has to travel a longer distance to complete one revolution compared to the inner wheel. This is because the outer wheel has a larger circumference due to the coning effect.
- The coning of wheels ensures that both the outer and inner wheels maintain proper contact with the rails throughout the curve. This improves stability and prevents derailment.
- The coning effect also helps to distribute the lateral forces evenly on the wheels, reducing the wear and tear on the track and wheels.
In conclusion, the coning of wheels is responsible for the outer and inner wheels covering different distances on a curve for the same number of revolutions. This intentional tapering of the wheels helps to maintain stability, distribute forces evenly, and reduce wear and tear on the track and wheels.
The correct answer is option 'A': Coning of wheels. This phenomenon is responsible for the outer and inner wheels covering different distances on a curve for the same number of revolutions.
Explanation:
When a train moves on a curved track, the outer rail has a larger circumference compared to the inner rail. This means that the outer wheel needs to cover a longer distance in order to complete one revolution compared to the inner wheel. The reason behind this difference in circumference is the coning of wheels.
Coning of wheels refers to the slight inclination or tapering of the wheels. The wheels are tapered in such a way that the outer diameter is greater than the inner diameter. This coning is done intentionally to ensure stability and safety during train operations.
Reasons for coning of wheels:
- Compensation for lateral forces: When a train moves on a curved track, there are lateral forces acting on the wheels due to the centrifugal force. These forces tend to push the train towards the outer rail. The coning of wheels helps to counterbalance these forces and maintain stability.
- Reduced wear and tear: Coning also helps to distribute the load evenly on the wheels. When a train moves on a straight track, the wheels tend to experience more wear and tear on the inner edges. By coning the wheels, the contact patch between the wheel and rail is increased, reducing the wear and tear on the inner edges.
Effects of coning on wheel movement:
- When a train enters a curve, the outer wheel has to travel a longer distance to complete one revolution compared to the inner wheel. This is because the outer wheel has a larger circumference due to the coning effect.
- The coning of wheels ensures that both the outer and inner wheels maintain proper contact with the rails throughout the curve. This improves stability and prevents derailment.
- The coning effect also helps to distribute the lateral forces evenly on the wheels, reducing the wear and tear on the track and wheels.
In conclusion, the coning of wheels is responsible for the outer and inner wheels covering different distances on a curve for the same number of revolutions. This intentional tapering of the wheels helps to maintain stability, distribute forces evenly, and reduce wear and tear on the track and wheels.
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The outer and inner wheels though cast monolithic, cover different dis...
Coning of wheels:
- Inward provision of the slope of 1:20 on the wheels of the railway wagon to counteract the centrifugal force acting on the train. So, it enables the train wheels to cover different distances along the inner and outer curves simultaneously.
Purpose of coming of wheels:
- To check lateral movement of wheels.
- To avoid damage to the inner faces of rails.
- To avoid discomfort to passengers.
Hence, The outer and inner wheels though cast monolithic, cover different distances on a curve for the same number of revolutions because of coning of wheels.
Tilting of Rails:
Tilting of Rails:
- Placing the rails of a track at an inward slope of 1 in 20 is called tilting of rails.
- The main object of tilting of rails is to reduce the wear on the inside edges of rails in a track.
Adzing of sleepers
- The sleepers are cut at the rail seat to provide a slope of 1 in 20 to the rails.
- The process of cutting the wooden sleepers or casting concrete sleepers accordingly is known as adzing of sleepers.
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The outer and inner wheels though cast monolithic, cover different distances on a curve for the same number of revolutions because of:a)Coning of wheelsb)Widening of gaugec)Tilting of railsd)Adzing of sleepersCorrect answer is option 'A'. Can you explain this answer?
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