| Date | May 2011 | Marks available | 1 | Reference code | 11M.1.SL.TZ2.25 |
| Level | Standard level | Paper | Paper 1 | Time zone | Time zone 2 |
| Command term | Question number | 25 | Adapted from | N/A |
Question
The Sankey diagram of a fossil-fuelled power station is shown below.
Which of the following best identifies the thermal energy removed by water and the useful electrical energy output of the station?
Markscheme
A
Examiners report
Sankey diagrams are quantitative and candidates should understand that the greatest proportion of the output from a fossil-fuelled power station is in the form of thermal energy.
Syllabus sections
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