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Return to Energy Systems and Sustainability 3e Student Resources
Chapter 2 Multiple choice questions
Quiz Content
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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?
1 GWh
correct
incorrect
1000 GWh
correct
incorrect
1 MWh
correct
incorrect
1 TWh
correct
incorrect
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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?
5 kWh
correct
incorrect
0.5 kWh
correct
incorrect
0.24 kWh
correct
incorrect
0.30 kWh
correct
incorrect
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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?
Kilowatt hour
correct
incorrect
Kilojoule
correct
incorrect
Kilocalorie
correct
incorrect
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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?
5% per annum
correct
incorrect
10% per annum
correct
incorrect
12.5% per annum
correct
incorrect
About 25% per annum
correct
incorrect
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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?
70%
correct
incorrect
80%
correct
incorrect
90%
correct
incorrect
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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?
Nuclear power
correct
incorrect
Natural gas
correct
incorrect
Wind power
correct
incorrect
Oil
correct
incorrect
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Sections 2.6-2.9 describe energy use in different countries. In 2018 which country was the largest consumer of ethanol and biodiesel?
Denmark
correct
incorrect
USA
correct
incorrect
Brazil
correct
incorrect
UK
correct
incorrect
*
not completed
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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?
Coal
correct
incorrect
Natural gas
correct
incorrect
Nuclear heat
correct
incorrect
Hydro power
correct
incorrect
*
not completed
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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?
Russia and Vietnam
correct
incorrect
Russia and Columbia
correct
incorrect
Indonesia and Australia
correct
incorrect
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Energy use in China is also described in Section 2.9. By how much did China's coal consumption increase between 1980 and 2018?
It increased 6-fold.
correct
incorrect
It increased by a factor of 4.
correct
incorrect
It tripled.
correct
incorrect
It doubled.
correct
incorrect
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