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Which of the following is/are the characteristic/ characteristics of Indian coal?
1. High ash content
2. Low sulphur content
3. Low ash fusion temperature
Select the correct answer using the codes given below.
[2013]
  • a)
    1 and 2 only
  • b)
    2 only
  • c)
    1 and 3 only
  • d)
    1, 2 and 3
Correct answer is option 'A'. Can you explain this answer?
Most Upvoted Answer
Which of the following is/are the characteristic/ characteristics of I...


Characteristics of Indian Coal:

High Ash Content:
- Indian coal is known for its high ash content, which can range from 25% to 50%.
- This high ash content can lead to increased emissions of particulate matter when the coal is burned.

Low Sulphur Content:
- Indian coal generally has a low sulphur content, which is beneficial as it results in lower emissions of sulphur dioxide when the coal is combusted.
- This characteristic makes Indian coal more environmentally friendly compared to coal with high sulphur content.

Low Ash Fusion Temperature:
- Indian coal also has a low ash fusion temperature, which means that the ash formed during combustion tends to melt at a lower temperature.
- This can lead to the formation of clinkers and slag in the combustion chamber, which can affect the efficiency of the combustion process.

Therefore, the correct answer to the question is option 'A' - 1 and 2 only. Indian coal is characterized by high ash content and low sulphur content, making it suitable for certain applications while posing challenges for others.
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Which of the following is/are the characteristic/ characteristics of I...
Indian coal has high ash content and low calorific value. It has low sulphur and low phosphorous content but high ash fusion temperature.
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