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For B.G. single track railway, the height of the tunnel above top of rails should be:
- a)5.5 m to 5.8 m
- b)5.8 m to 6.2 m
- c)6.7 m to 7.3 m
- d)7.3 m to 7.5 m
Correct answer is option 'C'. Can you explain this answer?
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For B.G. single track railway, the height of the tunnel above top of r...
For B.G. single track railway, the height of the tunnel above top of rails should be 6.7 m to 7.3 m. A single-track railway is a railway where trains traveling in both directions share the same track. Single track is usually found on lesser-used rail lines, often branch lines, where the level of traffic is not high enough to justify the cost of constructing and maintaining a second track.
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For B.G. single track railway, the height of the tunnel above top of r...
Height Requirements for Railway Tunnels
The height of tunnels in the context of Broad Gauge (B.G.) single track railways is critical for ensuring safe and efficient train operations. The prescribed height plays a significant role in accommodating the dimensions of various rolling stock and ensuring clearance from the top of the rails to the tunnel structure.
Standard Tunnel Height
- The recommended height of tunnels for B.G. railways typically ranges from 6.7 m to 7.3 m.
- This specification is designed to accommodate the tallest trains, including those with overhead equipment and safety considerations.
Reasons for Height Specifications
- Safety Clearances: Ensures that there is sufficient space above the trains to prevent collisions with the tunnel structure or any overhead installations.
- Operational Efficiency: Allows for the passage of various types of rolling stock, including freight and passenger trains, without restrictions.
- Future-Proofing: Provides extra height to accommodate any future modifications in train design or additional equipment that may increase height.
Comparison with Other Options
- Options a) 5.5 m to 5.8 m and b) 5.8 m to 6.2 m are inadequate as they do not provide sufficient clearance for modern rail vehicles, which can have a larger profile.
- Option d) 7.3 m to 7.5 m, while exceeding the minimum requirement, may be excessive for standard operations, thus making option c) the most practical and widely accepted standard.
In conclusion, the correct answer is option 'C' because the height range of 6.7 m to 7.3 m is essential for ensuring operational safety and efficiency on B.G. single track railways.
The height of tunnels in the context of Broad Gauge (B.G.) single track railways is critical for ensuring safe and efficient train operations. The prescribed height plays a significant role in accommodating the dimensions of various rolling stock and ensuring clearance from the top of the rails to the tunnel structure.
Standard Tunnel Height
- The recommended height of tunnels for B.G. railways typically ranges from 6.7 m to 7.3 m.
- This specification is designed to accommodate the tallest trains, including those with overhead equipment and safety considerations.
Reasons for Height Specifications
- Safety Clearances: Ensures that there is sufficient space above the trains to prevent collisions with the tunnel structure or any overhead installations.
- Operational Efficiency: Allows for the passage of various types of rolling stock, including freight and passenger trains, without restrictions.
- Future-Proofing: Provides extra height to accommodate any future modifications in train design or additional equipment that may increase height.
Comparison with Other Options
- Options a) 5.5 m to 5.8 m and b) 5.8 m to 6.2 m are inadequate as they do not provide sufficient clearance for modern rail vehicles, which can have a larger profile.
- Option d) 7.3 m to 7.5 m, while exceeding the minimum requirement, may be excessive for standard operations, thus making option c) the most practical and widely accepted standard.
In conclusion, the correct answer is option 'C' because the height range of 6.7 m to 7.3 m is essential for ensuring operational safety and efficiency on B.G. single track railways.
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For B.G. single track railway, the height of the tunnel above top of rails should be:a)5.5 m to 5.8 mb)5.8 m to 6.2 mc)6.7 m to 7.3 md)7.3 m to 7.5 mCorrect answer is option 'C'. Can you explain this answer?
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For B.G. single track railway, the height of the tunnel above top of rails should be:a)5.5 m to 5.8 mb)5.8 m to 6.2 mc)6.7 m to 7.3 md)7.3 m to 7.5 mCorrect answer is option 'C'. Can you explain this answer? for RRB NTPC/ASM/CA/TA 2025 is part of RRB NTPC/ASM/CA/TA preparation. The Question and answers have been prepared according to the RRB NTPC/ASM/CA/TA exam syllabus. Information about For B.G. single track railway, the height of the tunnel above top of rails should be:a)5.5 m to 5.8 mb)5.8 m to 6.2 mc)6.7 m to 7.3 md)7.3 m to 7.5 mCorrect answer is option 'C'. Can you explain this answer? covers all topics & solutions for RRB NTPC/ASM/CA/TA 2025 Exam. Find important definitions, questions, meanings, examples, exercises and tests below for For B.G. single track railway, the height of the tunnel above top of rails should be:a)5.5 m to 5.8 mb)5.8 m to 6.2 mc)6.7 m to 7.3 md)7.3 m to 7.5 mCorrect answer is option 'C'. Can you explain this answer?.
For B.G. single track railway, the height of the tunnel above top of rails should be:a)5.5 m to 5.8 mb)5.8 m to 6.2 mc)6.7 m to 7.3 md)7.3 m to 7.5 mCorrect answer is option 'C'. Can you explain this answer? for RRB NTPC/ASM/CA/TA 2025 is part of RRB NTPC/ASM/CA/TA preparation. The Question and answers have been prepared according to the RRB NTPC/ASM/CA/TA exam syllabus. Information about For B.G. single track railway, the height of the tunnel above top of rails should be:a)5.5 m to 5.8 mb)5.8 m to 6.2 mc)6.7 m to 7.3 md)7.3 m to 7.5 mCorrect answer is option 'C'. Can you explain this answer? covers all topics & solutions for RRB NTPC/ASM/CA/TA 2025 Exam. Find important definitions, questions, meanings, examples, exercises and tests below for For B.G. single track railway, the height of the tunnel above top of rails should be:a)5.5 m to 5.8 mb)5.8 m to 6.2 mc)6.7 m to 7.3 md)7.3 m to 7.5 mCorrect answer is option 'C'. Can you explain this answer?.
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For B.G. single track railway, the height of the tunnel above top of rails should be:a)5.5 m to 5.8 mb)5.8 m to 6.2 mc)6.7 m to 7.3 md)7.3 m to 7.5 mCorrect answer is option 'C'. Can you explain this answer?, a detailed solution for For B.G. single track railway, the height of the tunnel above top of rails should be:a)5.5 m to 5.8 mb)5.8 m to 6.2 mc)6.7 m to 7.3 md)7.3 m to 7.5 mCorrect answer is option 'C'. Can you explain this answer? has been provided alongside types of For B.G. single track railway, the height of the tunnel above top of rails should be:a)5.5 m to 5.8 mb)5.8 m to 6.2 mc)6.7 m to 7.3 md)7.3 m to 7.5 mCorrect answer is option 'C'. Can you explain this answer? theory, EduRev gives you an
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