Fundamentals Cement Engineer quiz- Try to Answer without Cheating

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Fundamentals Cement Engineer quiz- Try to Answer without Cheating

 

 

true of false 

 

  1. When air is  heated,  its weight  per  unit  volume  de­creases ?

  1. One ton of kiln feed will make one ton of clinker ?

  2. High free-lime contents in the clinker always indicate that  the clinker has been Unburned ?

  3. c3s .(tricalcium silicate)  is  an  ingredient   in  the  kiln feed.

  1. C02 (carbon dioxide) in tl1e kiln exit gases originates partly from the combustion of the  fuel  and  partly from calcination of feed.

  2. An increase  in  fuel  rate  will  always  generate  more heat in the burning zone.

  1. Opening a butterfly damper from SO% to 100% open will most likely produce no increase in flow.

 

waiting for your answer

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4 thoughts on “Fundamentals Cement Engineer quiz- Try to Answer without Cheating”

  1. Ahmed Nasr ( SHIFT LEADER )

    1-false
    2-false
    3-false
    4-false
    5-true
    6-false
    7-false (but need to determine which damper will open )

  2. Gilson Vicente da Silva

    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

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