Steel Making in Metallurgy MCQ Questions and Answers | Metallurgical Engineering

A. It is the ratio of basic oxide to acidic oxide

B. It is the ratio of acidic oxide to basic oxide

C. It is the ratio of basic oxide

D. It is the ratio of acidic oxide

A. high temperature, high Viscosity, high FeO content of slag

B. high temperature, low viscosity, low FeO content of salg

C. low temperature, low viscosity, low FeO content of slag

D. high temperature, high viscosity, low FeO content of slag

A. 1879

B. 1865

C. 1953

D. 1856

A. When P content is more than 1.5%

B. When P content is less than 0.05%

C. Both A and B

D. None of these

A. Mild steel

B. Low carbon steel

C. Medium carbon steel

D. High carbon steel

A. P, Q

B. Q, S

C. R, T

D. Q, R

A. 1 : 1

B. 5 : 1

C. 10 : 1

D. 1 : 10

A. Ferritic

B. austenitic

C. martensitic

D. duplex

A. dissolve in steel to offer better corrosion protection

B. acts as a catalyst for the reaction of carbon and oxygen

C. lowers the partial pressure of CO gas in the bubble and hence helps to increase the decarburisation rate

D. Prevents the oxidation of expensive nickel in the stainless steel

A. 400 - 550°C

B. 500 - 850°C

C. 850 - 950°C

D. 950 - 1050°C