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Introduction to Electricity Generation and Generators

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Introduction to Electricity Generation and Generators

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Questions and Answers

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?

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?

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?

Motoring mode Signup and view all the answers

What is necessary to tackle the problems of energy, pollution, and poverty according to the text?

Understanding of electric machines Signup and view all the answers

What is the primary purpose of a generator in the context of electric power generation?

To convert mechanical power into electrical power Signup and view all the answers

What is the typical efficiency range of large generators in converting mechanical power to electrical form?

Above 90% Signup and view all the answers

What is the primary source of mechanical power used in the electromechanical process of electric power generation?

Steam turbine Signup and view all the answers

What is the current stage of the process of generating electricity directly from hot gases in plasma form?

Experimental stage Signup and view all the answers

What happens to a small part of the power in the generator during the process of electric power generation?

It is lost in the generator Signup and view all the answers