29 Questions
What is meant by energy efficiency?
Achieving a higher level of service with the same amount of energy input
What is the relationship between energy efficiency and energy intensity?
Energy efficiency is inversely proportional to energy intensity
What is necessary for a meaningful interpretation of energy intensity?
An appropriate level of aggregation
What is the result of improving energy efficiency in a process or equipment?
A decrease in energy intensity
Why is it necessary to isolate and account for other factors when measuring energy intensity?
To ensure that the measured changes in energy intensity are accurate and meaningful
What is the main reason for the decoupling of energy demand from economic growth?
Structural changes in economies leading to reduced energy intensity
What is the result of technological improvements and behavioral changes in the energy sector?
Significant improvement in energy efficiency
What is the trend that has the potential to not only flatten the curve of primary energy demand but also change the global story of growth and energy?
Growing use of renewable energy sources
What is the expected outcome of the decoupling of energy demand from economic growth on various industries?
Major implications and transformations
What is the main driver of the decline in energy intensity of GDP?
Structural changes in economies
What is the result of the electrification trend in the energy sector?
More efficient way of meeting energy needs
What is believed to be the first concept of electricity discovered?
The concept of electricity by ancient Greeks
Who is credited with developing the correct concept of electricity?
Benjamin Franklin
What was discovered by Hans Christian Ørsted in 1820?
That magnets can produce electricity
What was invented by Alessandro Volta?
The first electric battery
What was a significant discovery made in the early 18th century?
The discovery of electrolysis
Who made significant contributions to the science of electricity after the discovery of electromagnetic induction?
Michael Faraday
What led to the replacement of primitive agriculture with industry as the basis of social economy?
Mechanization
What was a significant invention that contributed to the acceleration of production during the First Industrial Revolution?
Steam engine
What was a major source of energy that emerged during the Second Industrial Revolution?
Electricity
What was a significant development that occurred in the second half of the 20th century?
The emergence of nuclear energy
What was a major consequence of the Second Industrial Revolution?
The emergence of new forms of energy
What is considered the most important industrial revolution?
The Second Industrial Revolution
What do energy analysts often use as a measure of energy intensity?
Energy consumption per unit of gross domestic product (GDP)
What is a factor that can influence the choice of energy intensity measure?
Data availability
What can be a reason for changes in energy intensity?
Any of the above
What is a sector that energy analysts often break down energy consumption for?
All of the above
What is a potential indicator of energy intensity?
Energy consumption per capita
What is a factor that can influence energy intensity?
Capital investments
Discover the fascinating history of electricity, from ancient Greece to modern innovations. Learn about the milestones and pioneers that shaped the concept of electricity. Test your knowledge with this quiz!
Make Your Own Quizzes and Flashcards
Convert your notes into interactive study material.
Get started for free
