TMA 02: Question 1 X course hero - Search * *Dashboard * + X C https://learn2.open.ac.uk/mod/oucontent/view.php?id=1916752§ion=1.3.1 Not syncing ... TMA 02 Guidance on TMA 02 Question 1 Aims and preparation This question is worth 15 marks. TMA 02 In Chapter 6.1.2 of the Part 2 text you learned a little about fossil-fuel-fired power stations and Question 1 Activity 8.1b of the online material looked at using waste as an energy source. You may need to refer to the remainder of Chapter 6 and part of Chapter 7 for Parts (b) and (c) of this Question 2 question. Question 3 A utility company is considering installing a waste-fired power station to burn the materials in the domestic waste stream that are not recyclable. This measure would reduce the utility's Question 4 need to use gas to generate electricity. Question 5 a. If the company decides to progress with using waste as a fuel, the power station would require facilities and plant items not needed in a conventional gas-fired station. Refer to Activity 8.1b and compare with the information in Chapter 6.1.2 of the module books. View as single page Give four examples of the additional equipment or facilities needed when burning waste. (4 marks) b. Of the pollutants released by a conventional gas-fired power station, state which one you consider to have the greatest potential for causing harm to people and the wider environment. Explain briefly what consequences your chosen pollutant could have for people and the wider environment. You should include five consequences to gain full marks (5 marks) c. If the heat of combustion of the waste is 9.5 MJ kg- and the waste-fired power station generates electricity with an efficiency of 25%, calculate how much electricity can be produced (in units of MW) if the station burns 13 tonnes per hour. Give your final answer to 1 decimal place. (6 marks) Previous Next > TMA 02 Question 2 Type here to search O w ox 20'C Cloudy ~ 4x 13:20 23/06/2022