why we get fine clinker with the use of petcoke firing? is this clinker harder to grind than with indian coal? how can we eleminate the fines in the clinker ? what is the limit of SO3 % IN THE BOTTOM CYCLONE STAGE & IN CLINKER FOR NORMAL OPERATION OF KILN & CLINKER QUALITY & WHY? WHAT IS THE LIMIT OF EVAPORATION FACTOR AT THE BOTTOM STAGE (KILN FEEDING CYCLONE) & HOW IT IS CALCULATED? HOW CAN WE CALCULATE THE SULFUR ALKALI RATIO , WHERE & WHAT IS THE LIMIT FOR NORMAL OPERATION? RAJ