Filters
Question type

Study Flashcards

_________ is a form of hydropower that converts the energy of the tides into electricity or other useful forms of power.

Correct Answer

verifed

verified

The United States is the world's largest producer of geothermal electricity.

A) True
B) False

Correct Answer

verifed

verified

Passive solar heating refers to using


A) the sun's energy, collected by solar panels, to generate electricity
B) plant and animal material as fuel to generate heat
C) sun's energy to heat building without pumps or fans to distribute the heat
D) recycled water to cool the nuclear reactor in power plants
E) solar-generated hydrogen to produce water and heat

F) C) and D)
G) B) and E)

Correct Answer

verifed

verified

Photovoltaic systems are characterized by all of the following except


A) directly converting sunlight into electricity.
B) minimal maintenance.
C) producing no pollution.
D) functioning on cloudy or rainy days.
E) minimal space requirement for large-scale use.

F) C) and E)
G) A) and C)

Correct Answer

verifed

verified

Where does the energy needed to run a geothermal plant in California originate?


A) solar
B) subsurface coal mining
C) photovoltaic cell
D) geysers
E) volcanism

F) A) and B)
G) A) and C)

Correct Answer

verifed

verified

Wind energy is a direct form of solar energy.

A) True
B) False

Correct Answer

verifed

verified

Islands, coastal areas, mountain passes, and grasslands are areas very well suited for harnessing wind energy.

A) True
B) False

Correct Answer

verifed

verified

____________ is using less energy to accomplish a given task.

Correct Answer

verifed

verified

Why is biomass an attractive source of energy?


A) a shift to biofuels from petroleum-based fuels would be seamless
B) it makes use of waste products, reducing waste disposal problems
C) it reduces our dependence on fossil fuels
D) it produces lower levels of sulfur and ash than coal combustion
E) all of these choices

F) A) and E)
G) C) and E)

Correct Answer

verifed

verified

Comparatively, which of the following energy resources has the overall lowest operating costs, lowest environmental impact, and highest efficiency?


A) tidal energy
B) geothermal energy
C) photovoltaics
D) nuclear power
E) fossil fuels

F) A) and B)
G) A) and C)

Correct Answer

verifed

verified

What is the purpose of the National Appliance Energy Conservation Act (NAECA)? For a washing Machine the EF (energy factor)Indicates the number of complete cycles a washer will operate while using one kilowatt-hour of electricity. The current federal standard for energy efficient washers is an EF of 1.5, while Energy Star washers require an EF of 2.5. Explain why the Energy star appliance results in energy conservation.

Correct Answer

verifed

verified

The National Appliance Energy Conservati...

View Answer

Solar technologies can provide many services for homes. Define four consumer solar technologies and discuss their applications in improving a home's energy efficiency. Discuss the advantages and the drawbacks for each technologies implementation.

Correct Answer

verifed

verified

Direct solar energy can be used passivel...

View Answer

____________ uses solar energy to heat a fluid and then transfer the solar heat directly to an interior space.

Correct Answer

verifed

verified

Active sol...

View Answer

Many people think that our emphasis should shift from finding alternative sources of energy to increasing the energy efficiency and energy conservation. Distinguish between these two terms and provide examples of what consumers can be doing to improve your energy efficiency and energy conservation.

Correct Answer

verifed

verified

Energy efficiency involves adopting newe...

View Answer

Fuel cells represent the most promising way to use hydrogen.

A) True
B) False

Correct Answer

verifed

verified

What type of solar heating system would be most efficient at producing high-temperature water for industrial applications or steam to run turbines that generate electricity?


A) fuel cells that directly convert chemical energy into electricity.
B) biomass generators that burn natural materials to generate heat.
C) solar thermal electric generation systems using mirrors or lenses to concentrate sunlight to heat water.
D) passive solar systems that use building design to maximize winter sunlight to heat water.
E) convection solar heating systems that circulate warm air throughout the liquid.

F) A) and B)
G) B) and C)

Correct Answer

verifed

verified

The diagram below is an energy efficient technology called The diagram below is an energy efficient technology called   A) a biogas digester. B) unlimited renewable energy for consumers. C) energy star labeling program (ESLP) . D) cogeneration or combined heat and power (CHP) . E) mass-to-energy system.


A) a biogas digester.
B) unlimited renewable energy for consumers.
C) energy star labeling program (ESLP) .
D) cogeneration or combined heat and power (CHP) .
E) mass-to-energy system.

F) B) and E)
G) A) and C)

Correct Answer

verifed

verified

Which of the following is not a current or planned use for the electricity generated by fuel cells?


A) to run automobiles
B) to power cell phones
C) to replace nuclear technology
D) to lessen dependence on fossil fuels
E) to run city buses

F) B) and E)
G) C) and E)

Correct Answer

verifed

verified

Energy efficiency is using less energy by reducing energy use and waste.

A) True
B) False

Correct Answer

verifed

verified

Which of these appliances' annual use is the least energy efficient? Which of these appliances' annual use is the least energy efficient?   A) television B) water heater C) refrigerator D) washing machine E) clothes dryer


A) television
B) water heater
C) refrigerator
D) washing machine
E) clothes dryer

F) A) and B)
G) A) and C)

Correct Answer

verifed

verified

Showing 41 - 60 of 70

Related Exams

Show Answer