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Return to Energy Systems and Sustainability 3e Student Resources
Chapter 3 Multiple choice questions
Quiz Content
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Section 3.2 describes different forms and types of energy. Which type is registered by a domestic electricity meter?
Final energy
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incorrect
Useful energy
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Primary energy
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The expanding uses of energy are described in Section 3.3. Approximately how much energy does a human being consume per day in the form of food?
1 MJ
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1 kWh
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10 kWh
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10 MJ
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incorrect
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What energy-intensive chemical process is used for the manufacture of nitrogenous fertilizer?
Leblanc process
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incorrect
Fischer-Tropsch process
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Haber-Bosch process
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Section 3.3 describes domestic energy use. Table 3.1 gives the efficacies of some electric light sources assuming an electricity generation efficiency of 35%. What would be the efficacy of a domestic LED lamp in lumens per watt of primary energy if the electricity power station efficiency was increased to 50%?
36 lumens per watt
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incorrect
50 lumens per watt
correct
incorrect
65 lumens per watt
correct
incorrect
72 lumens per watt
correct
incorrect
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Section 3.3 also describes industrial energy use. Box 3.2 describes embodied energy. Using average values from Table 3.2, how much more energy intensive is aluminium manufacture per kilogram than that for iron?
About twice
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6 times
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Nearly 13 times
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20 times
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incorrect
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Section 3.4 describes UK energy use. What proportion of UK final energy use in 2018 was for providing transport?
35%
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40%
correct
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45%
correct
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50%
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Figure 3.10 in Section 3.4 shows about 350 EJ of coal in the primary energy bar, but very little solid fuel in the top final energy bar. Where has the rest of the coal gone?
It has been exported.
correct
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It has been turned into gas.
correct
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It has been used for electricity generation.
correct
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Roughly what proportion of the 'Losses in conversion and delivery' shown in Figure 3.10 are accounted for by the waste heat, losses, and own use energy in electricity supply, shown later in Figure 3.13?
A quarter
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A half
correct
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Three quarters
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All of it
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incorrect
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Section 3.5 describes international energy comparisons. In 2018 roughly how much larger was US annual per capita electricity consumption than that for the UK?
1.7 times larger
correct
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Twice as large
correct
incorrect
2.7 times larger
correct
incorrect
3.2 times larger
correct
incorrect
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Section 3.5 describes international energy comparisons. By how much did Chinese per capita GDP increase between 1980 and 2014?
It increased by factor of over 20.
correct
incorrect
It increased 10-fold.
correct
incorrect
It increased 5-fold.
correct
incorrect
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