Discussion
A basic refractory is chosen for the burning zone of a cement kiln because the clinker melt is rich in
Answer: B
Correct answer: lime
The clinker liquid in the burning zone is strongly basic, being rich in lime, and an acidic silica lining would be attacked by it directly. A basic refractory - magnesite or magnesia-chrome - is chemically compatible with the melt and survives. The general rule is that the lining must be of the same chemical character as whatever it is in contact with.
No comment is present. Be the first to comment.
Loading…
Post your comment
Please log in or register to post a comment.
Examination Categories
- SSC Exams
- Banking Exams
- Teaching Exams
- Civil Services Exams
- Railways Exams
- Engineering Recruitment Exams
- Defence Exams
- State Government Exams
- Police Exams
- Insurance Exams
- Nursing Exams
- Other Government Exams
- NRA CET
- PG Entrance Exams
- Campus Placement
- MBA Entrance Exams
- CUET and UG Entrance
- Judiciary Exams
- Regulatory Body Exams
- Software Development