Technology Interactions © 2007

Chapter 8: Energy & Power Technologies

Self-Check Quiz

1.
Which concept relates work done to time?
A)mechanics
B)power
C)energy
D)force
2.
Although a battery outputs electricity, it starts with
A)electromagnetic energy.
B)thermal energy.
C)mechanical energy.
D)chemical energy.
3.
Which energy source is a fossil fuel?
A)biomass
B)crude oil
C)uranium
D)sunlight
4.
Which energy source is nonrenewable?
A)rushing water
B)blowing wind
C)heat under the earth's crust
D)natural gas
5.
What is the chief function of a refinery?
A)harnesses water power to run electrical generators
B)processes uranium for use as fuel in a nuclear plant
C)changes crude oil into usable fuels such as gasoline
D)amasses electrical energy produced by wind farms
6.
A photovoltaic cell is a device that
A)captures and stores the sun's heat.
B)outputs mechanical energy.
C)transforms sun rays into electrical current.
D)depends on fossil fuels to do its work.
7.
Which phrase defines uranium?
A)form of biomass
B)mined material used in coal-burning power plants
C)pollutant produced by burning fossil fuels
D)radioactive fuel from which nuclear energy is derived
8.
Energy cannot be created or destroyed by normal means, according to the
A)power formula.
B)law of energy conservation.
C)law of renewable resources.
D)action/reaction principle.
9.
Burning fossil fuels produces harmful pollutants including acid rain and
A)carbon dioxide.
B)nitrogen.
C)water vapor.
D)oxygen.
10.
Which sentence does not state an energy conservation guideline?
A)Turn off lights when they are not being used.
B)Ride a bicycle instead of taking a car.
C)Keep the thermostat at 78°F or above in air-conditioning season.
D)Keep the thermostat at 78°F or above in heating season.
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