CWB Level 2 Metallurgy Review Questions and Answers

Alloys are mixtures of a metal with: both metals and non-metals Which of the following is not involved in the steel making process? nitrogen furnace Which of the following is not a class of steel produced from pig iron? semi-rimmed steel When a plate is made, most of the rolling will usually take place in one direction, resulting in the formation of elongated inclusions. Elongated inclusions such as these are called: stringers Which of the following atomic structures are the most closely packed (most dense)? face-centered cubic structure (FCC) The maximum carbon content of steels, before they are classed as cast iron, is approximately: 1.7% C The extent to which a steel forms martensite at a given cooling rate is called: hardenability Which element will give an indication of the deoxidation practice for a fully killed steel? silicon The grouping of steels referred to as carbon steels can obtain a wide range of properties by varying the: carbon content The grouping of steels referred to as low alloy steels typically exhibit the following attributes: a low carbon content, high strength and fine grain size. From the following, select the ferrous metals. wrought iron, carbon steel, stainless steel What is taconite? iron ore Treu or false: Limestone is a fluxing agent that removes impurities to form a slag True