Thermal Electricity Generation Using Coal (Grade 11 NSC Matric Geography): Quizzes
📚Quizzes
Practise the questions
10 questions from this quiz
ShowHide
Practise the questions
10 questions from this quiz
What do turbines convert in thermal power plants?
What do turbines convert in thermal power plants?
Energy of moving fluid to rotational motion
What type of energy do generators transform into electrical energy?
What type of energy do generators transform into electrical energy?
Kinetic energy
Why is coal crushed before burning in thermal power plants?
Why is coal crushed before burning in thermal power plants?
To burn more efficiently
What is produced when water absorbs heat from burning coal?
What is produced when water absorbs heat from burning coal?
High-pressure steam
What energy conversion occurs when steam strikes turbine blades?
What energy conversion occurs when steam strikes turbine blades?
Thermal energy to kinetic energy
What is the purpose of the condenser in thermal power plants?
What is the purpose of the condenser in thermal power plants?
To convert steam back to water for reuse
What does sulfur dioxide (SO₂) from coal combustion contribute to?
What does sulfur dioxide (SO₂) from coal combustion contribute to?
Acid rain
What health issue can fine ash particles from coal burning cause?
What health issue can fine ash particles from coal burning cause?
Respiratory problems
What is the correct sequence of energy transformations in coal power plants?
What is the correct sequence of energy transformations in coal power plants?
Chemical → thermal → kinetic → electrical
What is the typical overall efficiency of coal-fired power plants?
What is the typical overall efficiency of coal-fired power plants?
25-35%