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23 questions
The electricity generated from the power plant is
Alternating Current
Direct Current
Delayed Current
Alternating Voltage
Super heated steam is used to turn a ______________?
Transformer
Battery
Turbine
Toothed Gear
How is electricity measured and billed by the power company?
watts
kilowatts
watt hours
kilowatt hours
which type of renewable energy is currently creating the most electricity generation?
geothermal
hydroelectric
solar
wind
What is given off as waste in a hydrogen fueled car?
H2
O2
H2O2
H2O
which of the following is not a biofuel or a biomass?
wood
ethanol from corn
dung
methane
fuel cells that use a chemical reaction to generate electricity are using
hydrogen gas
methane gas
water
oil
Which of the following are the most energy efficient light bulbs?
incandescent
compact florescent
LED
halogen
which of the following is the least energy efficient light bulbs?
incandescent
compact fluorescent
LED
halogen
if a tractor trailer truck is 20% efficient, what happened to the other 80%
energy is destroyed
energy is lost as heat
the 80% is still in the gas tank
energy is converted into matter
You use an LED light bulb that consumes 7 watts that you use for 8 hours in a day. How much would it cost you to run for a month (30 days) if the energy company charges $.15 per KwHr?
$.056
$.0084
$.25
$8.4
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