
Refino primário

Quiz
•
Science
•
Professional Development
•
Medium
Jamil Nobre
Used 4+ times
FREE Resource
18 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Qual desses processos não acontece no refino primário?
Descarburação
Dessiliciação
Dessulfuração
Desfosforação
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
O tempo entre dois vazamentos seguidos no convertedor é chamado de?
Tap to tap
Lead time
Blowing time
Loading time
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Fase formada durante o sopro onde há uma mistura de metal, escória e gás na forma de espuma.
Emulsão
Banho
Escória
Refratário
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Pricipais componentes dos refratários do convertedor
MgO e carbono
MgO e sílica
Alumina e grafita
MgO e alumina
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
O processo de oxidação
é exotérmico
é endotérmico
não produz nem consome energia
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
É fundamental desoxidar o aço no vazamento para evitar o defeito no tarugo de
Porosidade
Trincas
Inclusões
Empenamento
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Qual a fórmula do rendimento metálico do convertedor?
Peso vazado/peso carregado
Peso carregado/peso vazado
Peso de sucata/peso de gusa
Peso de gusa/peso de sucata
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