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WorksheetsElectricity test 3
Total questions: 85
Worksheet time: 43mins
Which is not one of the five MAJOR categories of end uses for electricity to meet a consumer's needs?
Lighting.
Motor-driven equipment.
Space research projects.
Heating.
Electric energy is _____ type of energy available for the diverse uses made of its capabilities.
Is the least affordable.
Is as affordable as any other.
Is the most affordable.
Was once the most affordable.
Electricity's cleanliness at point of use allows it to _____.
Support sanitation.
Contribute to health and wellness.
Support high standards of living.
All of the above.
The reliability of electric power distribution is _____ of the electric industry.
A continuing weakness.
A low priority.
A defining characteristic.
A potential future development.
Dependable, safe electricity _____ consumers' lifestyles and their standard of living.
Supports.
Actually has little impact upon.
Occasionally can enhance.
Will eventually support.
If the supply of an energy resource is diminished after a day of use, this energy form is _____.
Non-renewable.
A fixed-sum resource.
Renewable.
Both "a" and "b".
If the supply of an energy resource is not diminished after a day of use, this energy form is _____.
Non-renewable.
A fixed sum resource.
Renewable.
Known as heavy energy.
Which of these are renewable energy forms?
Solar.
Geothermal.
Wind.
All of the above.
Which of these are non-renewable energy forms?
Coal.
Petroleum (oil).
Natural gas.
All of the above.
The US is primarily dependent upon _____ for energy.
Fossil fuels.
Wood.
Hydroelectric.
Synthetic fuels.
Which of these are fossil fuels?
Coal, oil, and natural gas fuels.
Coal, oil, and hydroelectric fuels.
Uranium and geothermal fuels.
Fissionable fuels.
Fossil fuels are a _____ energy form.
Renewable.
Non-renewable.
Solar.
Developing future alternative.
Another term for water-powered generation of electricity is _____.
Fossil fuel.
Geothermal.
Hydroelectric.
Solar.
Solid waste is what type of energy form?
Renewable.
Non-renewable.
Overused in the US compared to Europe.
Fissionable.
Hydroelectric power utilizes a _____ that initiates electron flow.
Circuit breaker.
Reactor.
Transmission line.
Turbine wheel.
Generator.
Which of these are methods for driving mechanical generators of electricity?
Steam power.
Water power.
Nuclear fission.
All of the above.
Steam power for electrical generation can be supplied by the following:
Fossil fuels.
Nuclear fission.
Geothermal resources.
All of the above.
The most commonly used energy form for producing steam needed to generate electricity is _____.
Coal.
Oil.
Uranium.
Natural gas.
Wind.
A large percentage of _____ is imported into the US to meet our energy needs.
Hydroelectric energy.
Renewable energy.
Coal.
Oil.
_____ help remove pollutants from smokestack emissions at electrical generation sites.
Turbines.
Fossil fuels.
Reactors.
Scrubbers.
A common air pollutant created by burning Rocky Mountain coal is _____.
Carbon monoxide.
Chloride.
Sulfur dioxide.
Nitrogen oxide.
A common air pollutant created by burning Appalachian coal is _____.
Carbon monoxide.
Chloride.
Sulfur dioxide.
Nitrogen oxide.
The most common use of oil as a fuel is for _____.
Electric generation.
Transportation.
Heating buildings.
Manufacturing.
Which of the following explains why natural gas is becoming a fuel of choice for some electrical utilities?
Adaptability to existing technologies.
Short license procedures.
Small amounts of generation can be added for short-term supply needs.
All of the above.
Approximately _____ percent of electricity in the US is generated by gas-fired plants.
6
6
5
0
Splitting uranium atoms yields vast amounts of _____.
Noise
Heat
Sulfur dioxide
Nitrogen oxides
_____ energy is gaining popularity as a clean, economical underground source for heating buildings.
Fusion
Photovoltaic
Geothermal
Solid waste
_____ is a promising energy form for the US, because the US leads the world in the amount generated per capita annually.
Fusion
Wood
Solar heat
Solid waste
Although current costs are highly unattractive, fusion is a promising energy form because of the abundance of _____.
Water
Air
Sunlight
Solid waste
Sunlight can be converted to electricity by using _____.
Solar winds
Solar cells
Fusion
Fuel cells
Consumer use of the _____ energy alternative is not currently well accepted, due to high cost.
Fusion.
Photovoltaic.
Biodegradable.
All of the above.
Higher-cost energy alternatives could become more attractive nationally if innovations made them as competitively-priced as _____.
Tidal energy.
Wind power.
Fossil Fuels.
Solar cells.
Fossil fuels, geothermal, and nuclear fission produce heat for generating electricity in a _____.
Steam-powered generator.
Biomass converter.
Renewable reactor.
Photovoltaic converter.
Reliability of an alternative energy resource over time is a _____ for accepting, developing, and using an alternative.
Federal requirement.
Utility system regulation.
Consumer expectation.
State mandate.
Public opinion has _____ regarding safety issues among utilities and development of energy alternatives.
Not supported court action.
Been forgiving.
Been unforgiving.
Generated only moderate support.
Research and innovation enabled the US to convert to energy dependency on fossil fuels by solving _____.
Affordability issues.
Import issues.
Pollution issues.
Safety issues.
Before the US converted to fossil fuels, it had been dependent upon _____.
Animal power for work.
Wind power for sailing.
Wood for fuel.
All of the above.
Splitting uranium atoms for generation of electricity is called _____.
Fusion.
Nuclear fission.
Photovoltaic generation.
Condensation.
Enriched uranium fuel powers _____ for generation of electricity.
Hydroelectric sites.
Steam generators.
Breeder reactors.
Both "b" and "c".
Uranium enriched with _____ is considered a source of weapons-grade materials.
Sulfur dioxide.
Nitrogen oxides.
Plutonium.
Oil.
Electrical generators typically generate electricity at _____ volts.
About 120.
120/240.
More than 15,000.
None of the above.
A typical household voltage is _____ volts.
480
277
120/208
120/240
Typical electric voltages for primary distribution lines are _____ volts.
From 2,300 to 34,000
4,160 and 7,200
12,470 and 14,400
All of the above
_____ users of electricity have power delivered and metered to their homes or businesses.
Discount
Interutility
Retail
Standing linkages
_____ are organized by local electric utilities to manage power distribution during potential widespread outages.
Marketing plans
Secondary distributors
Standby generators
Standing plans
The amount of electrical energy used by an appliance primarily depends upon _____.
The voltage measured at the electric meter
The amount of humidity in the air
The temperature in the room
The amount of "on" time for this appliance
The amount of electricity an appliance uses in one month is equal to _____.
Watts/ohms x amperes
Watts/volts x amperes
Watts/amperes x volts
Volts x amperes x hours of use
The energy required to operate a ten-ampere clothes dryer at 240 volts for two hours is _____.
2400 watthours.
9600 watthours.
4800 watthours.
252 watts.
The energy cost for operating a 1500 watt microwave oven for five hours, at a rate of $0.10 per kilowatt hour, is _____.
$75.00
$7.50
$0.75
$0.075
The energy cost for operating the heating element of a 6000 watt clothes dryer for 10 hours, at a rate of $0.08 per kilowatt hour, is _____.
$480.00
$48.00
$48.00
$4.80
Which uses the most electricity?
One 4200 watt, 220 volt heater.
Two 2500 watt, 110 volt heaters.
Two 2000 watt, 10 ampere heaters.
One 4200 watt, 20 ampere heater.
Consumers are usually billed each month for energy use recorded on the electric meter for _____.
The current month.
The previous month.
Usage 40-60 days previous to the bill.
The upcoming month.
The total watt hours used by an appliance during a time period can be divided by _____ to find kilowatt hours.
10
100
1,000
10,000
An electric meter can be labeled with a constant which must be _____ the kilowatt hours it measures in order to determine actual kilowatt hours.
Multiplied by
Divided by
Added to
Subtracted from
Dials on electric meters should always be read _____.
From left to right
From right to left
From top to bottom
From bottom to top
Each power supplier of electricity has _____ that list the cost per kilowatt hour charged for electricity used by consumers.
Cyclometers
Meter disks
Rate schedules
Check meters
_____ electric rates in the US contribute to a high standard of living, but also to waste, lack of responsible energy use by consumers, and higher monthly bills from careless use.
High
Increasing
Affordable
Variable
Clean air standards regulated by the US Environmental Protection Agency _____ the basic cost of electricity.
Lessen.
Cause spikes and dips in.
Cause extra costs in the hottest and coldest months to be added to.
Contribute to.
_____ rates encourage consumers to shift usage, when possible, to hours of the day when power use is lower.
Inverted.
Commercial.
Five-step.
Peak.
A consumer's monthly electric bill depends partially on the _____ of appliances and equipment operated.
Number.
Size.
Energy-effective design.
All of the above.
A monthly electric bill is influenced by the _____ of one's building or residence.
Design features.
Thermostat setting.
Length of time windows and doors are open.
All of the above.
A monthly electric bill is influenced by _____.
A consumer's selection of electrical equipment.
The day of the week the equipment is installed in the home or building.
Whether the bill arrives late in the week.
The distance from the utility company's main office.
The amount of a consumer's electric bill is influenced by _____.
The purchase of energy responsible features.
The use of energy responsible features.
The number of users in the building.
All of the above.
A monthly electric bill results from two meter readings about 30 days apart. How is the billing amount determined?
The second reading is subtracted from the first.
The first reading is subtracted from the second.
The first and second readings are averaged.
The higher reading is used.
The watts, amperes, and/or volts used by electrical equipment can often be found on the _____.
Top.
Use and Care Manual.
Pricetag.
Nameplate.
A product's _____ is estimated by multiplying the appliance wattage rating by the hours used per month.
Safety.
Energy efficiency.
Power rating.
Cost per month.
Energy use per month.
_____ for an appliance is/are determined by dividing watt hours by 1,000.
Voltage.
Amperes.
Kilowatts.
Energy efficiency.
A _____ measures the amount of electric power used by a consumer.
Generator.
Meter.
Computer disc.
Stopwatch.
The more electric energy used by an appliance when it is 'on', _____.
The faster the electric meter disc rotates.
The higher the next meter reading.
The more unsafe the switch is.
Both 'a' and 'b'.
The _____ from burning fossil fuels must be carefully handled in order to ensure a desirable quality of life, now and in the future.
Sulfur oxides.
Nitrogen oxides.
Fly ash.
All of the above.
Emissions from smokestacks into surrounding air are controlled by _____.
Cooling towers.
Ash basins.
Scrubbers.
Electric generators.
_____ are an integral part of planned electric power generation sites.
Prisons.
Recreational facilities.
Healthcare centers.
Federal highways.
Heat from steam-powered generation plants is cooled so that water can be _____.
Recycled.
Mixed with sulfides.
Diluted.
Dumped in sludge.
The temperature of the exit water must be lowered enough to _____.
Meet state and federal standards.
Protect aquatic life in nearby streams.
Register within two degrees of the incoming water temperature.
All of the above.
The residue from scrubbers can be treated and sold as _____ for the construction industry.
Sulphur dioxide.
Nitrogen oxides.
Gypsum. Bricks.
_____ are used to remove ash particles from coal-fired generation plants.
Cooling towers.
Cooling lakes.
Scrubbers.
Electrostatic precipitators.
_____ from electric generation sites that operate on fossil fuel are processed into additives for concrete and roofing materials.
Sulphur dioxide.
Nitrogen oxides.
Ash.
Excess heat.
Two categories of nuclear wastes from electric generation sites are _____.
Ultra hot and hot.
Low-level and high-level.
Ash residue and bottom ash.
Sulphur oxides.
Most scientists agree that radioactive nuclear waste can be safely stored in _____.
Properly designed underground vaults.
Capsules ten feet deep. Cooling towers.
Lakes or ponds.
Reprocessed used nuclear fuel enables engineers to use the remaining 13% of the uranium in a _____.
Cooling tower.
Low-level waste dump.
Ash basin.
None of the above.
_____ power plants tend to produce low levels of oxygen for fish life in nearby bodies of water.
Nuclear.
Hydroelectric.
Geothermal.
Coal-fired.
Oxygen is restored to water in a hydroelectric plant's _____.
Generation site.
Cooling towers.
Electrostatic precipitators.
Scrubbers.
If a generation site interferes with animal and environmental patterns, but responds to the consequences responsibly and shows growth in nearby recreation industries, then _____ is impacted.
Energy generation cost.
Quality of human life.
The environment.
All of the above.
Nuclear power plants account for less than _____ percent of the volume of low-level waste disposed in the US.
1
0
2
4
Electrostatic precipitators remove up to _____ percent of the solid particles emitted from coal-fired electrical generators.
3
5
7
9
