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Worksheetscost economics_quiz_1
Total questions: 20
Worksheet time: 10mins
Energy is defined as
A.Rate of doing work
B. Ability to do work
C. Power consumed per unit time
D. Electrical output
The SI unit of energy is
The SI unit of power is
A. Joule
B. kWh
C. Watt
D. Volt
The commercial unit of electrical energy is
A. Joule
B. Watt
C. Horsepower
D. Kilowatt-hour
One unit of electricity is equal to
A. 1 W
B. 1 J
C. 1 kWh
D. 1000 kWh
Which form of energy is considered a high-grade energy?
A. Thermal energy
B. Chemical energy
C. Electrical energy
D. Mechanical energy
Thermal energy at which temperature range can be efficiently converted into mechanical energy?
A. 80–150°C
B. 150–500°C
C. 500–1000°C and above
D. Below 80°C
Fuels and organic matter store energy mainly in the form of
A. Mechanical energy
B. Electrical energy
C. Chemical energy
D. Nuclear energy
Who first described the concept of energy?
Aristotle
The invention of the steam engine that led to the Industrial Revolution was by
11. Global per capita energy consumption showed rapid rise after
A. 1900
B. World War II
C. 1960
D. 2000
12. Fossil fuels account for approximately what percentage of global energy consumption?
A. 40%
B. 60%
C. 80%
D. 95%
Global CO₂ emissions in 2017 were approximately
A. 12.6 Gt
B. 22.6 Gt
C. 32.6 Gt
D. 42.6 Gt
The safe limit of atmospheric CO₂ concentration is
A. 250 ppm
B. 300 ppm
C. 350 ppm
D. 450 ppm
One major reason for adopting renewable energy is
A. Increased fossil reserves
B. Climate change
C. Higher emissions
D. Energy surplus
Global renewable power capacity in 2018 was approximately
A. 1378 GW
B. 1978 GW
C. 2378 GW
D. 3378 GW
Which country had the highest energy consumption in 2018?
The largest share of India’s installed power capacity comes from
Solar power creates
A. Low emissions
B. Zero emissions
C. Moderate emissions
D. Seasonal emissions
Swanson’s law states that the price of solar PV modules drops by about
A. 10% for every doubling
B. 15% for every doubling
C. 20% for every doubling
D. 50% for every decade
