Contents
Fundamentals Cement Engineer quiz- Try to Answer without Cheating
true of false
When air is heated, its weight per unit volume decreases ?
One ton of kiln feed will make one ton of clinker ?
High free-lime contents in the clinker always indicate that the clinker has been Unburned ?
c3s .(tricalcium silicate) is an ingredient in the kiln feed.
C02 (carbon dioxide) in tl1e kiln exit gases originates partly from the combustion of the fuel and partly from calcination of feed.
An increase in fuel rate will always generate more heat in the burning zone.
Opening a butterfly damper from SO% to 100% open will most likely produce no increase in flow.
waiting for your answer
1 false
2 false
3 true
4 false
5 false
6 true
7 false
Very useful for cement engineers.
1-false
2-false
3-false
4-false
5-true
6-false
7-false (but need to determine which damper will open )
1-falso
2-Falso – Existe perda de aproximadamente 35 % na reação de decomposição de CaCO3 — CaO + CO2
3-Falso – nem sempre, você pode ter CaO livre em excesso devido ao excesso de Cálcio, Alem de combinar formando C3S, ainda sobra ficando CaO livre …
4-Falso-Silicato tricalcio e o resultado da combinação do CaO + SiO2 isso acontece devido a queima da farinha alimentada.
5-Verdadeiro – CaO + CO2 (Farinha Alimentada ) e C + O2 – CO2 (Combustivel )
6- falso
7- nao sei