Podcast
Questions and Answers
What is the primary factor that affects the cold strength of sinter as determined by the tumbler test?
What is the primary factor that affects the cold strength of sinter as determined by the tumbler test?
- Ore composition
- Strength of individual ore components
- Strength of bonding matrix components
- All of the above (correct)
What is the temperature at which the RDI static test is carried out?
What is the temperature at which the RDI static test is carried out?
- 500 °C
- 650 °C
- 550 °C (correct)
- 600 °C
What is the term used to describe the percentage presence of –3mm fraction of coke in any sample?
What is the term used to describe the percentage presence of –3mm fraction of coke in any sample?
- Coke particle size
- Coke degradation index
- Coke crushing index (correct)
- Coke crushing strength
What is the order of fracture strength of mineral phases, from highest to lowest?
What is the order of fracture strength of mineral phases, from highest to lowest?
Why is the cold mechanical strength of sinter important?
Why is the cold mechanical strength of sinter important?
What is the purpose of the RDI static test in sinter quality control?
What is the purpose of the RDI static test in sinter quality control?
What is the minimum percentage required for the coke crushing index to ensure a better sintering process?
What is the minimum percentage required for the coke crushing index to ensure a better sintering process?
What is the typical temperature at which the burn through point is reached?
What is the typical temperature at which the burn through point is reached?
What is the primary function of screens in the sintering process?
What is the primary function of screens in the sintering process?
What is the purpose of proportioning bins in the sintering process?
What is the purpose of proportioning bins in the sintering process?
What is the function of grab cranes in the sintering process?
What is the function of grab cranes in the sintering process?
What is the minimum percentage required for the flux crushing index to ensure a better sintering process?
What is the minimum percentage required for the flux crushing index to ensure a better sintering process?
What is the ideal percentage of water in the base mix to maintain optimal sinter bed permeability?
What is the ideal percentage of water in the base mix to maintain optimal sinter bed permeability?
What is the consequence of using a higher percentage of water in the base mix?
What is the consequence of using a higher percentage of water in the base mix?
What is the purpose of maintaining an optimum air/gas ratio in the ignition furnace?
What is the purpose of maintaining an optimum air/gas ratio in the ignition furnace?
What is the consequence of a very high hearth temperature in the ignition furnace?
What is the consequence of a very high hearth temperature in the ignition furnace?
What is the role of coke in the sintering process?
What is the role of coke in the sintering process?
What is the consequence of a low coke rate in the sintering process?
What is the consequence of a low coke rate in the sintering process?
