Energy Efficiency Quiz

This isn't a matter of keeping score, but rather a way to learn how you can both improve your carbon footprint and save some money. Many households could recoup 20 to 30 percent on their household energy bills by making energy-efficiency improvements.

Questions:
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  • 9
  • 10
  • 11
  • 12

Your Home

1. Many older homes are not well insulated. To provide more even temperatures throughout your house, insulation should be installed in your home's:

Walls
Floors
Attic
All of the above

Great Choice

Not Quite

The best choice would have been: Insulation should be installed in your home's walls, floors and attic.

Energy Saver Tip

Sealing air leaks and installing insulation is critical to improving the overall efficiency of your home and will make your heating and cooling system perform better.

Your Home

2. A small wind energy system can provide a practical and economical source of electricity if:

Your city apartment has frequent brownouts
Your home or business is located on at least one acre of land in a rural area
You have experience in hot-air ballooning
Your property has easy access to utility lines

Great Choice

Not Quite

The best choice would have been: Your home or business is located on at least one acre of land in a rural area.

Energy Saver Tip

Small wind energy systems are one of the most cost-effective, home-based renewable energy systems available. They are also nonpolluting.

Your Home

3. Ground source heat pumps (GSHPs):

Use solar energy to heat homes
Are inexpensive alternatives to ordinary heat pumps
Are still experimental
Can use the relatively constant temperature of below-surface water as a source of heating or cooling

Great Choice

Not Quite

The best choice would have been: Can use the relatively constant temperature of below-surface water as a source of heating or cooling.

Energy Saver Tip

GSHPs are appropriate for retrofit or new homes, where both heating and cooling are required.

Your Home Office

4. In the average home office:

Power strips are not recommended
Coffee spills account for $300 a year in damage to PCs
Dust destroys new electronic equipment within 18 months
Roughly 75 percent of the electricity used to power home electronics is consumed while the products are turned off.

Great Choice

Not Quite

The best choice would have been: Roughly 75 percent of the electricity used to power home electronics is consumed while the products are turned off.

Energy Saver Tip

Automatically switching monitors to sleep mode or manually turning monitors off saves energy, but using screen savers doesn't reduce energy use.

Your Home Office

5. Computers, printers and other electronic equipment:

Last longer if they're never turned off
Are not tax-deductible, even if used exclusively for business
Are too complicated to be used by everyday people
Should be plugged into power strips that can be turned off or will turn off automatically

Great Choice

Not Quite

The best choice would have been: Should be plugged into power strips that can be turned off or will turn off automatically.

Energy Saver Tip

Next time you're shopping for a new computer, think about a laptop. Laptops use much less energy than desktop computers.

Your Vehicle

6. Vehicles that typically combine the internal combustion engine of a conventional vehicle with the battery and electric motor of an electric vehicle are known as:

Flexible fuel vehicles
Natural gas vehicles
Propane vehicles
Hybrid electric vehicles

Great Choice

Not Quite

The best choice would have been: Hybrid electric vehicles.

Energy Saver Tip

Hybrid electric vehicles (HEVs) offer low emissions—with the power, range and convenient fueling of conventional (gasoline and diesel) vehicles; and HEVs never need to be plugged in.

Your Power

7. Approximately what percentage of electric utility customers have the option to purchase renewable electricity directly from their power supplier?

10 percent
25 percent
33 percent
50 percent

Great Choice

Not Quite

The best choice would have been: 50 percent.

Energy Saver Tip

Many customers choose to have their electricity produced by an independent clean power generator, instead of buying it from the power provider assigned to their area.

Your Home

8. Most of an outdoor pool's energy loss is due to:

Radiation to sky
Evaporation
Losses to ground
Your children's pool parties

Great Choice

Not Quite

The best choice would have been: Evaporation.

Energy Saver Tip

Covering a heated pool when it's not in use is the most effective means of reducing pool heating costs. Savings can be as much as 50 to 70 percent.

Your Home

9. What type of light bulb uses 75 percent less energy and lasts up to 10 times longer than a regular, incandescent bulb?

Compact fluorescent light (CFL) bulbs
Halogen bulbs
Mercury bulbs
None — incandescent bulbs are the most efficient

Great Choice

Not Quite

The best choice would have been: Compact fluorescent light (CFL) bulbs.

Energy Saver Tip

A standard 60W bulb can be replaced by a 15W to 18W CFL, while a 100W bulb can be replaced by a 20W to 25W CFL.

Exterior

10. "Xeriscaping" is a term that refers to:

The rate of oxidation on copper roofs
A brand of hoses made from recycled material
Landscaping in ways that do not require supplemental irrigation
An experimental home-insulation system

Great Choice

Not Quite

The best choice would have been: Landscaping in ways that do not require supplemental irrigation.

Energy Saver Tip

Xeriscaping can result in lower water bills and more water available for other uses, as well as little or no lawnmowing.

Your Home

11. U-factor, solar heat gain coefficient and air leakage:

Measure the stability of roof shingles
Are important components in the installation of a hot tub
Define the structural integrity of tungsten lamps
Are energy performance characteristics for windows, doors and skylights

Great Choice

Not Quite

The best choice would have been: Energy performance characteristics for windows, doors and skylights.

Energy Saver Tip

The energy performance ratings of windows, doors and skylights can tell you their potential for gaining and losing heat, as well as for transmitting sunlight into your home.

Your Electronics

12. Your personal computer:

Doesn't have to be plugged into a power strip/surge protector
Will likely "burn itself out" in 18 months or so
Consumes approximately 70 percent less electricity when in sleep mode
Is built to run continuously without any adverse effects

Great Choice

Not Quite

The best choice would have been: Consumes approximately 70 percent less electricity when in sleep mode.

Energy Saver Tip

For energy savings and convenience, consider turning off both the CPU and the monitor if you're not going to use your PC for more than two hours.

Print Email This Quiz

0—4 questions answered correctly

While you may not be as green as you could be, you're making strides in the right direction. You're growing to appreciate the long-term benefits of making environmentally sound choices today. We congratulate you.

5—8 questions answered correctly

You're well on your way to living a life of green. You've made the connection between energy savings and dollar savings—all the while reducing your negative impact on our earth. You've immersed yourself in a new way of life. Well done.

9—12 questions answered correctly

You're green as green can be. You're talking the talk and walking the walk. You devote time to researching better ways to live and making your community a greener place. By promoting awareness and action, you aren't only reducing your negative impact on the environment—you're making a positive difference wherever you go.

Great Choice


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