Chapter 5 Multiple choice questions

. Section 5.2 describes the introduction of the use of coal as a fuel. What constituent of Durham coal made it undesirable as a replacement for wood fuel?

. The smelting of iron ore requires using carbon in what form?

. The nature of coal is described in Section 5.3. Which form of coal has the highest proportion of carbon?

. Section 5.4 describes the uses of coal including the production of town gas from coal. What were the main gaseous constituents of town gas?

. How is water gas made?

. Section 5.5 describes the global coal resource. Box 5.4 describes the distinction between reserves and resources. How would a body of coal be described that was firmly known to exist but was not actually economic to mine?

. What proportion of US coal comes from the state of Wyoming?

. Section 5.6 describes fires, furnaces, and boilers. A pulverized fuel boiler burns coal in what form?

. Which gas makes up the bulk of power station flue gases?

. The use of flue gas desulfurization is likely to require large quantities of which mined mineral?

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