Which of the below statements about the steel industry is true? O a in the 70s the new technology of Direct Reduced Iron produced a scrap substitute from iron ore called sponge iron that fed Ob. integrated firms embracing a vertical integration strategy utilized electric arc furnaces to melt scrap steel Oc Minimils utilized blast furnaces to melt iron ore O d. Technologically there are three groups of steel makers: integrated firms, minimilis and specialty steel makers producing sp

Which of the below statements about the steel industry is true? O a in the 70s the new technology of Direct Reduced Iron produced a scrap substitute from iron ore called sponge iron that fed Ob. integrated firms embracing a vertical integration strategy utilized electric arc furnaces to melt scrap steel Oc Minimils utilized blast furnaces to melt iron ore O d. Technologically there are three groups of steel makers: integrated firms, minimilis and specialty steel makers producing sp

Precision Machining Technology (MindTap Course List)

2nd Edition

ISBN:9781285444543

Author:Peter J. Hoffman, Eric S. Hopewell, Brian Janes

Publisher:Peter J. Hoffman, Eric S. Hopewell, Brian Janes

Chapter2: Measurement, Materials, And Safety

Section2.7: Heat Treatment Of Metals

Problem 8RQ: After hardening, steel is very hard and brittle. What operation is usually performed to reduce...

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