EGEE 101 Exam 3 Quiz Questions with
Complete Solutions
What is the main advantage of using hydropower for electricity generation?
✔✔It is a renewable source that generates electricity with minimal greenhouse gas emissions.
Why is energy conservation important in industrial processes?
✔✔It reduces operational costs and minimizes environmental impact.
How does double-glazing on windows improve energy efficiency?
✔✔It reduces heat loss by providing an insulating air layer between two panes of glass.
Why is coal considered a nonrenewable resource?
✔✔It forms over millions of years and cannot be replenished within a human timescale.
What is the purpose of using a power strip with a switch?
✔✔To easily turn off multiple devices and reduce phantom energy usage.
1
, How does energy efficiency in transportation improve when tire pressure is properly maintained?
✔✔Proper tire pressure reduces rolling resistance, increasing fuel economy.
Why is ethanol considered a renewable energy source?
✔✔It is derived from biomass, such as corn or sugarcane, which can be replenished.
What is the role of a capacitor in an electrical circuit?
✔✔To store and release electrical energy as needed.
Why does energy efficiency matter in data centers?
✔✔It reduces electricity costs and lowers the environmental footprint of large-scale computing.
How does a pressure cooker save energy during cooking?
✔✔It cooks food faster by increasing pressure and temperature, using less energy.
What is the primary benefit of cogeneration in power plants?
✔✔It produces electricity and heat simultaneously, maximizing energy use.
2
Complete Solutions
What is the main advantage of using hydropower for electricity generation?
✔✔It is a renewable source that generates electricity with minimal greenhouse gas emissions.
Why is energy conservation important in industrial processes?
✔✔It reduces operational costs and minimizes environmental impact.
How does double-glazing on windows improve energy efficiency?
✔✔It reduces heat loss by providing an insulating air layer between two panes of glass.
Why is coal considered a nonrenewable resource?
✔✔It forms over millions of years and cannot be replenished within a human timescale.
What is the purpose of using a power strip with a switch?
✔✔To easily turn off multiple devices and reduce phantom energy usage.
1
, How does energy efficiency in transportation improve when tire pressure is properly maintained?
✔✔Proper tire pressure reduces rolling resistance, increasing fuel economy.
Why is ethanol considered a renewable energy source?
✔✔It is derived from biomass, such as corn or sugarcane, which can be replenished.
What is the role of a capacitor in an electrical circuit?
✔✔To store and release electrical energy as needed.
Why does energy efficiency matter in data centers?
✔✔It reduces electricity costs and lowers the environmental footprint of large-scale computing.
How does a pressure cooker save energy during cooking?
✔✔It cooks food faster by increasing pressure and temperature, using less energy.
What is the primary benefit of cogeneration in power plants?
✔✔It produces electricity and heat simultaneously, maximizing energy use.
2
