
ТПМП. Лекция 8. РТП
Authored by Olga Nosova
Chemistry, Science, Physics
University
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5 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
По способу преобразования электроэнергии в тепловую руднотермическая электропечь относится:
Печи сопротивления
Печи смешанного действия
Дуговые электропечи
Индукционные печи
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Разделение расплава на 2 фазы – сульфидной и оксидной происходит за счет различия в плотности шлака к штейну:
1:1,5
1:0,5
2:1
2:1,5
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Какая реакция не протекает при штейнообразовании в РТП:
Cu2O + FeS = Cu2S + FeO
3NiO +3FeS = Ni3S2 + 3FeO +1/2 S2
MeSO4 =MeO + SO3
CoO + FeS = CoS + FeO
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Какая реакция не протекает при шлакообразовании в РТП:
10 Fe2O3 + FeS = 7Fe3O4 +SO2
3 Fe3O4 + FeS + SiO2 =5 (FeO)2·SiO2 + SO2
2FeO+ SiO2 =2 FeO·SiO2
CuO·FeO + (Cu2S + FeS) =3Cu + Fe3O4 +S2
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
В шлаке РТП не содержится:
2FeO·SiO2
CaO·SiO2
FeS
Fe3O4
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