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  1. Return to Energy Systems and Sustainability 3e Student Resources

Chapter 2 Multiple choice questions

* not completed
. Section 2.2 describes basic energy units. Table 2.1 (and Table A1 in Appendix A1) lists the standard prefixes for SI units. What is 1 million kWh equal to?

* not completed
. Understanding the relation between joules, watts, and kilowatt-hours is very important. A power of 10 kW for half an hour is equal to which option?

* not completed
. Section 2.3 describes a range of different energy units. The standard energy unit in the USA is the BTU (British Thermal Unit). This is slightly larger than which of these alternative energy units?

* not completed
. Section 2.6 describes primary energy in the UK. What was the average annual growth rate of wind power in the UK between 2000 and 2018?

* not completed
. Section 2.7 describes energy use in Denmark. Figure 2.13(b) shows that in 1970 Denmark was highly dependent on imported oil. What proportion of its primary energy use consisted of oil in that year?

* not completed
. Section 2.8 describes energy use in the USA. As shown in Figure 2.17(b) US coal consumption decreased by about a third between 2010 and 2018. Which fuel has mainly replaced it?

* not completed
. Sections 2.6-2.9 describe energy use in different countries. In 2018 which country was the largest consumer of ethanol and biodiesel?

* not completed
. Energy use in France is described in Section 2.9. Which energy source featured more strongly in France in 2018 than in any of the other countries described in Chapter 2?

* not completed
. Energy use in India is also described in Section 2.9. In 2018 India was importing large quantities of coal. Which countries were supplying most of it?

* not completed
. Energy use in China is also described in Section 2.9. By how much did China's coal consumption increase between 1980 and 2018?

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