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Which of the following statements regarding ballast materials are correct?
1. Brick ballast has poor drainage characteristics
2. Coal ash not used as ballast with steel or cast iron sleepers
3. Gravel ballast gives better performance in soft formation
4. Sand ballast causes excessive wear on top of rail
Select the correct answer using the codes given -below:
Codes:
1. Brick ballast has poor drainage characteristics
2. Coal ash not used as ballast with steel or cast iron sleepers
3. Gravel ballast gives better performance in soft formation
4. Sand ballast causes excessive wear on top of rail
Select the correct answer using the codes given -below:
Codes:
- a)1 and 2
- b)1 and 4
- c)1 and 3
- d)2, 3 and 4
Correct answer is option 'D'. Can you explain this answer?
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Most Upvoted Answer
Which of the following statements regarding ballast materials are corr...
Explanation:
1. Brick ballast has poor drainage characteristics:
Brick ballast is not commonly used in railway tracks as it has poor drainage characteristics. It does not allow water to drain easily, leading to waterlogging and reduced stability of the track. Therefore, statement 1 is correct.
2. Coal ash not used as ballast with steel or cast iron sleepers:
Coal ash is a byproduct of coal combustion and is commonly used as a ballast material in railway tracks. However, it is not suitable for use with steel or cast iron sleepers due to its high thermal conductivity. The high thermal conductivity of coal ash can cause the sleepers to heat up quickly, leading to potential damage. Therefore, statement 2 is incorrect.
3. Gravel ballast gives better performance in soft formation:
Gravel ballast is commonly used in railway tracks, especially in soft formations. It provides better performance in soft formation as it offers good drainage, high stability, and resistance to deformation. Gravel ballast helps to distribute the load from the trains evenly and maintain the track alignment. Therefore, statement 3 is correct.
4. Sand ballast causes excessive wear on top of rail:
Sand ballast is generally not used in railway tracks as it has poor load-bearing capacity and causes excessive wear on the top of the rail. It does not provide sufficient stability and can lead to track deformation and misalignment. Therefore, statement 4 is correct.
In conclusion, statements 1, 3, and 4 are correct, while statement 2 is incorrect. Therefore, the correct answer is option D (2, 3, and 4).
1. Brick ballast has poor drainage characteristics:
Brick ballast is not commonly used in railway tracks as it has poor drainage characteristics. It does not allow water to drain easily, leading to waterlogging and reduced stability of the track. Therefore, statement 1 is correct.
2. Coal ash not used as ballast with steel or cast iron sleepers:
Coal ash is a byproduct of coal combustion and is commonly used as a ballast material in railway tracks. However, it is not suitable for use with steel or cast iron sleepers due to its high thermal conductivity. The high thermal conductivity of coal ash can cause the sleepers to heat up quickly, leading to potential damage. Therefore, statement 2 is incorrect.
3. Gravel ballast gives better performance in soft formation:
Gravel ballast is commonly used in railway tracks, especially in soft formations. It provides better performance in soft formation as it offers good drainage, high stability, and resistance to deformation. Gravel ballast helps to distribute the load from the trains evenly and maintain the track alignment. Therefore, statement 3 is correct.
4. Sand ballast causes excessive wear on top of rail:
Sand ballast is generally not used in railway tracks as it has poor load-bearing capacity and causes excessive wear on the top of the rail. It does not provide sufficient stability and can lead to track deformation and misalignment. Therefore, statement 4 is correct.
In conclusion, statements 1, 3, and 4 are correct, while statement 2 is incorrect. Therefore, the correct answer is option D (2, 3, and 4).
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Which of the following statements regarding ballast materials are correct?1. Brick ballast has poor drainage characteristics2. Coal ash not used as ballast with steel or cast iron sleepers3. Gravel ballast gives better performance in soft formation4. Sand ballast causes excessive wear on top of railSelect the correct answer using the codes given -below:Codes:a)1 and 2b)1 and 4c)1 and 3d)2, 3 and 4Correct answer is option 'D'. Can you explain this answer?
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Which of the following statements regarding ballast materials are correct?1. Brick ballast has poor drainage characteristics2. Coal ash not used as ballast with steel or cast iron sleepers3. Gravel ballast gives better performance in soft formation4. Sand ballast causes excessive wear on top of railSelect the correct answer using the codes given -below:Codes:a)1 and 2b)1 and 4c)1 and 3d)2, 3 and 4Correct answer is option 'D'. Can you explain this answer? for Civil Engineering (CE) 2024 is part of Civil Engineering (CE) preparation. The Question and answers have been prepared according to the Civil Engineering (CE) exam syllabus. Information about Which of the following statements regarding ballast materials are correct?1. Brick ballast has poor drainage characteristics2. Coal ash not used as ballast with steel or cast iron sleepers3. Gravel ballast gives better performance in soft formation4. Sand ballast causes excessive wear on top of railSelect the correct answer using the codes given -below:Codes:a)1 and 2b)1 and 4c)1 and 3d)2, 3 and 4Correct answer is option 'D'. Can you explain this answer? covers all topics & solutions for Civil Engineering (CE) 2024 Exam. Find important definitions, questions, meanings, examples, exercises and tests below for Which of the following statements regarding ballast materials are correct?1. Brick ballast has poor drainage characteristics2. Coal ash not used as ballast with steel or cast iron sleepers3. Gravel ballast gives better performance in soft formation4. Sand ballast causes excessive wear on top of railSelect the correct answer using the codes given -below:Codes:a)1 and 2b)1 and 4c)1 and 3d)2, 3 and 4Correct answer is option 'D'. Can you explain this answer?.
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ample number of questions to practice Which of the following statements regarding ballast materials are correct?1. Brick ballast has poor drainage characteristics2. Coal ash not used as ballast with steel or cast iron sleepers3. Gravel ballast gives better performance in soft formation4. Sand ballast causes excessive wear on top of railSelect the correct answer using the codes given -below:Codes:a)1 and 2b)1 and 4c)1 and 3d)2, 3 and 4Correct answer is option 'D'. Can you explain this answer? tests, examples and also practice Civil Engineering (CE) tests.
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