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Questions and Answers
What is the process known as magnetohydrodynamics (MHD) used for?
What is the process known as magnetohydrodynamics (MHD) used for?
- Generating electric power using the Hall effect (correct)
- Using electricity for heating in special processes
- Storing electric energy in large superconducting coils
- Running the wheels of industry and tiny household appliances
What is the major use of electric energy, other than lighting and heating?
What is the major use of electric energy, other than lighting and heating?
- Using it in special processes like electric arc furnaces
- Running the wheels of industry and tiny household appliances (correct)
- Storing a sizeable amount of electric energy in large superconducting coils
- Generating electric power using the Hall effect
What is the main reason for the inefficiency of the magnetohydrodynamics (MHD) process?
What is the main reason for the inefficiency of the magnetohydrodynamics (MHD) process?
- The inability to transport electric power to use points
- The process being too expensive to use for heating
- The outlet gases being at high temperature (correct)
- The lack of suitable superconducting coils for storage
In what mode of operation is the electric machine known as a motor?
In what mode of operation is the electric machine known as a motor?
What is necessary to tackle the problems of energy, pollution, and poverty according to the text?
What is necessary to tackle the problems of energy, pollution, and poverty according to the text?
What is the primary purpose of a generator in the context of electric power generation?
What is the primary purpose of a generator in the context of electric power generation?
What is the typical efficiency range of large generators in converting mechanical power to electrical form?
What is the typical efficiency range of large generators in converting mechanical power to electrical form?
What is the primary source of mechanical power used in the electromechanical process of electric power generation?
What is the primary source of mechanical power used in the electromechanical process of electric power generation?
What is the current stage of the process of generating electricity directly from hot gases in plasma form?
What is the current stage of the process of generating electricity directly from hot gases in plasma form?
What happens to a small part of the power in the generator during the process of electric power generation?
What happens to a small part of the power in the generator during the process of electric power generation?
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