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100
What is the basic unit of measure of electric power?
Watt
100
when is the Earth Day?
4/22
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where did the energy used for in dishwasher?
Most of the energy used by a dishwasher is for water heating.
100
what is the “energy vampires”?
“energy vampires” are appliances that continue to draw power from electrical outlets, even when turned off or idle.
200
what is the meaning of efficacy?
The ratio of light produced to energy consumed.
200
What is LED?
LED is a highly energy efficient lighting technology,
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what is the meaning of lumen?
A measurement of light emitted by a lamp.
200
list one common types of CFLs.
1. A-line and A-line spiral lamps 2. Globe lamps (similar to spiral lamps) 3. Floodlight and reflector lamps 4. Pin-type tubular CFLs
300
List same ways you can reduce electricity use in your home
1. Purchase energy-efficient products and operate them efficiently. 2. Purchase energy-efficient products, operate them efficiently and incorporate more daylighting into your home using energy-efficient windows and skylights. 3. Purchase energy-efficient electric systems and operate them efficiently. 4. Purchase an energy-efficient electric water heater and operate it efficiently.
300
did screen savers help save the energy?
No, using a screen saver may, in fact, use more energy than not using one, and the power-down feature may not work if you have a screen saver activated. In fact, modern LCD color monitors do not need screen savers at all.
300
List two ways to reduce the amount of energy used for washing clothes
use less water and use cooler water.
300
What are the two general types of fluorescent lamps?
1. Compact fluorescent lamps (CFLs) -- commonly found with integral ballasts and screw bases, these are popular lamps often used in household fixtures. 2. Fluorescent tube and circline lamps -- typically used for task lighting such as garages and under cabinet fixtures, and for lighting large areas in commercial buildings.
400
How to calculating annual electricity consumption and costs?
1. Estimate the number of hours per day appliance runs. 2. Find the wattage of the product. 3. Find the daily energy consumption using the following formula: Daily kWh consumption × number of days used per year = annual energy consumption
400
What advantages did energy-efficient lightbulb have?
1. Typically use about 25%-80% less energy than traditional incandescents, saving you money 2. Can last 3-25 times longer. 3. Available in the wide range of colors and light levels you've come to expect.
400
How many lumens can 100-watt made?
a 100-watt incandescent lamp emits about 1600 lumens.
400
there do the vampire loads usually happen?
These vampire loads occur in most appliances that use electricity, such as DVD players, TVs, stereos, computers, and kitchen appliances.
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