Chapter 3 Multiple choice questions

. Section 3.2 describes different forms and types of energy. Which type is registered by a domestic electricity meter?

. 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?

. What energy-intensive chemical process is used for the manufacture of nitrogenous fertilizer?

. 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%?

. 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?

. Section 3.4 describes UK energy use. What proportion of UK final energy use in 2018 was for providing transport?

. 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?

. 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?

. 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?

. Section 3.5 describes international energy comparisons. By how much did Chinese per capita GDP increase between 1980 and 2014?

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