Steel Making in Metallurgy MCQ Questions and Answers | Metallurgical Engineering

A. low slag basicity

B. low silicon content in hot metal

C. high slag basicity and high silicon content in the hot metal

D. none of these

A. 18-4-1

B. 18-6-1

C. 18-2-1

D. 18-8-1

A. Blistering

B. Pitting

C. Catastrophic failure

D. Progressive loss of metal from the surface

A. S < 0.05% and P < 0.05%

B. S < 0.05% and P < 1.5%

C. S < 0.05% and P > 1. 5%

D. S > 1.5% and P < 0.05%

A. Si, Mn, Al

B. AI, Mn, Si

C. Mn, Si, Al

D. Al, Si, Mn

A. High temperature strength

B. Good resistance to oxidation or scaling

C. Both A and B

D. None of these

A. increases hardness

B. decreases toughness

C. increases strength

D. all of these

A. magnetic

B. non magnetic

C. both A and B

D. none of these

A. P-3, Q-1, R-2, S-4

B. P-2, Q-4, R-3, S-1

C. P-4, Q-3, R-2, S-1

D. P-3, Q-4, R-1, S-2

A. Chromium base, tungsten base & molybdenum base tool steels

B. Nickel base, tungsten base & molybdenum base tool steels

C. Chromium base, cobalt base & molybdenum base tool steels

D. Chromium base, tungsten base & zinc base tool steels