Podcast
Questions and Answers
What is the first step in generating electricity from coal?
What is the first step in generating electricity from coal?
- Turning water into steam
- Blowing the coal into boilers
- Pulverizing the coal into a fine powder (correct)
- Distributing electricity through power lines
What is a major drawback of building coal-fired power stations in South Africa?
What is a major drawback of building coal-fired power stations in South Africa?
- Low environmental impact
- Abundant geographical availability
- Short construction duration
- High construction cost (correct)
What propels the blades of a turbine in a coal-fired electricity generation process?
What propels the blades of a turbine in a coal-fired electricity generation process?
- Water
- Steam (correct)
- Electric current
- Coal dust
Which environmental issue is specifically associated with underground coal mining?
Which environmental issue is specifically associated with underground coal mining?
Which country has extensive coal reserves according to the text?
Which country has extensive coal reserves according to the text?
How does coal combustion contribute to environmental problems?
How does coal combustion contribute to environmental problems?
What is a disadvantage of coal combustion mentioned in the text?
What is a disadvantage of coal combustion mentioned in the text?
What energy source releases high amounts of energy by converting water into steam?
What energy source releases high amounts of energy by converting water into steam?
What does coal combustion lead to in terms of waste problems?
What does coal combustion lead to in terms of waste problems?
What is the main aim of South Africa's 20-year energy plan?
What is the main aim of South Africa's 20-year energy plan?
What does the burning coal generate in the boilers during electricity generation?
What does the burning coal generate in the boilers during electricity generation?
Why does South Africa find it difficult to expand hydroelectric power?
Why does South Africa find it difficult to expand hydroelectric power?
Which element is NOT mentioned as a waste problem caused by coal combustion?
Which element is NOT mentioned as a waste problem caused by coal combustion?
Which energy source remains the most cost-effective choice according to Eskom?
Which energy source remains the most cost-effective choice according to Eskom?
What infrastructure advantage does South Africa have for coal-based electricity according to the text?
What infrastructure advantage does South Africa have for coal-based electricity according to the text?
What does the electricity generated from coal do as explained in the text?
What does the electricity generated from coal do as explained in the text?
What is an advantage of coal-fired power stations according to the text?
What is an advantage of coal-fired power stations according to the text?
What is the final product of the electricity generation process from coal?
What is the final product of the electricity generation process from coal?
Which of the following is NOT mentioned as an advantage of coal-based electricity generation?
Which of the following is NOT mentioned as an advantage of coal-based electricity generation?
What is the primary purpose of pulverizing coal into a fine powder in the electricity generation process?
What is the primary purpose of pulverizing coal into a fine powder in the electricity generation process?
Which of the following is a waste problem directly related to coal combustion mentioned in the text?
Which of the following is a waste problem directly related to coal combustion mentioned in the text?
What drives the blades of a turbine in a coal-fired electricity generation process?
What drives the blades of a turbine in a coal-fired electricity generation process?
Which of the following elements is NOT typically released as a result of coal combustion?
Which of the following elements is NOT typically released as a result of coal combustion?
What is a notable disadvantage associated with coal combustion in terms of waste management?
What is a notable disadvantage associated with coal combustion in terms of waste management?
Which element is primarily responsible for turning water into steam during coal-fired electricity generation?
Which element is primarily responsible for turning water into steam during coal-fired electricity generation?
'Fly ash' is a waste problem associated with which stage of coal-fired electricity generation?
'Fly ash' is a waste problem associated with which stage of coal-fired electricity generation?
Which of the following is NOT an advantage of coal-fired power stations mentioned in the text?
Which of the following is NOT an advantage of coal-fired power stations mentioned in the text?
What is a significant environmental impact of coal mining mentioned in the text?
What is a significant environmental impact of coal mining mentioned in the text?
Why does coal combustion contribute to acid rain according to the text?
Why does coal combustion contribute to acid rain according to the text?
What is a key limitation for South Africa's hydroelectric power expansion?
What is a key limitation for South Africa's hydroelectric power expansion?
Which energy source is being explored by Eskom for South Africa's energy needs diversification?
Which energy source is being explored by Eskom for South Africa's energy needs diversification?
What is a significant consequence of coal combustion in terms of environmental and health problems?
What is a significant consequence of coal combustion in terms of environmental and health problems?
Why is the construction of coal-fired power stations considered a costly process?
Why is the construction of coal-fired power stations considered a costly process?
What is the main objective of South Africa's 20-year energy plan as mentioned in the text?
What is the main objective of South Africa's 20-year energy plan as mentioned in the text?
Why is nuclear energy considered an important part of South Africa's energy mix?
Why is nuclear energy considered an important part of South Africa's energy mix?
Which element is primarily produced through the interaction of water with sulfur-bearing rocks during coal combustion?
Which element is primarily produced through the interaction of water with sulfur-bearing rocks during coal combustion?
What contributes to the local pollution issues exacerbated by clustering power stations in Mpumalanga?
What contributes to the local pollution issues exacerbated by clustering power stations in Mpumalanga?
What is the primary function of coal combustion in electricity generation?
What is the primary function of coal combustion in electricity generation?
Which environmental impact is directly associated with coal combustion?
Which environmental impact is directly associated with coal combustion?
What is the main cause of waste problems related to coal combustion?
What is the main cause of waste problems related to coal combustion?
What aspect makes coal-fired power stations stand out for electricity generation?
What aspect makes coal-fired power stations stand out for electricity generation?
Which energy source is considered most economical for generating electricity according to the text?
Which energy source is considered most economical for generating electricity according to the text?
What is a notable disadvantage of coal combustion in terms of waste problems?
What is a notable disadvantage of coal combustion in terms of waste problems?
Why is coal combustion a significant concern for environmentalists?
Why is coal combustion a significant concern for environmentalists?
What factor limits the siting of power stations in South Africa according to the text?
What factor limits the siting of power stations in South Africa according to the text?
Which of the following is NOT a significant environmental impact of coal mining highlighted in the text?
Which of the following is NOT a significant environmental impact of coal mining highlighted in the text?
In South Africa, what percentage of the energy mix is planned to be nuclear by 2030?
In South Africa, what percentage of the energy mix is planned to be nuclear by 2030?
What is the primary objective of South Africa's 20-year energy plan as mentioned in the text?
What is the primary objective of South Africa's 20-year energy plan as mentioned in the text?
Which element, released during coal combustion, contributes to acid rain concentration in Mpumalanga?
Which element, released during coal combustion, contributes to acid rain concentration in Mpumalanga?
What is a key reason for the limitation of hydroelectric power expansion in South Africa?
What is a key reason for the limitation of hydroelectric power expansion in South Africa?
Which energy source is being explored by Eskom to diversify South Africa's energy needs?
Which energy source is being explored by Eskom to diversify South Africa's energy needs?
What is a significant consequence of coal combustion in terms of health problems?
What is a significant consequence of coal combustion in terms of health problems?
What contributes to the air pollution caused by coal combustion according to the text?
What contributes to the air pollution caused by coal combustion according to the text?
