Term
Energy Can be converted to which of the following?
-Work
-Heat
-Radiation
-All of the above? |
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Definition
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Term
Which of the following is a unit of power?
A. Joule
B. BTU/H
C. Watt/ Hour
D. Quad |
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Definition
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Term
One BTU of energy is enough to do what?
A. Heat your room to a comfortable temperature?
B. Heat one pound of water by one degree farenheight
C. Heat one gram of water by one degree celius
D. Heat one gallon of water by one degree Fahrenheit |
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Definition
| Heat one pound of water by one degree farenheight |
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Term
| Nuclear Fusion is a renewable source of energy? |
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Definition
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Term
| BTU has more energy than a calorie |
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Definition
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Term
| Energy can be converted from one form to another? |
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Definition
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Term
| Geothermal heat can be used to produce electricity. |
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Definition
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Term
Which of the following are examples of mechanical energy?
A. Sun, flowing water, biomass
B. Wood, flowing water, high pressure steam
C. Flowing water, high pressure steam, fuel oil
D. Wind, Tidal energy, coiled spring |
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Definition
| Wind, Tidal energy, coiled spring |
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Term
| An energy source is non renewable if |
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Definition
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Term
| What are some non-renewable energy sources? |
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Definition
| Nuclear Fission, petroleum |
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Term
Unit of energy when divided by time of usage gives units of?
A. Power
B. Work
C. Energy
D. Energy * Time |
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Definition
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Term
What percentage of the U.S energy demand is met by renewable energy sources?
A. around 25
B. less than 10
C. Around 50
D. Great than 75 |
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Definition
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Term
What percentage of the U.S petroleum demand is met by imports?
A. around 25
B. less than 10
C. Around 50
D. Great than 75 |
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Definition
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Term
which fuel supplies the greatest proportion of primary energy in the U.S?
A. Coal
B. Petroleum
C. Natural Gas
D. Nuclear |
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Definition
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Term
At the present rate of consumption how long are the U.S petroleum reserves expected to last?
A. Less than 10 years
B. 200 years
C. 100 years
D. Around 50 years |
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Definition
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Term
| A country in Asia has estimated reserve of 35898 million barrels of oil. The country uses 9947399 barrels of oil per day. At this rate how many years will the reservation last? |
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Definition
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Term
| Energy in China is projected to increase at the rate of 3.6% per year for the next few decades. How long will it take for energy consumption in china to double? |
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Definition
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Term
| Energy use in Kunesia is projected to increase at the rate of 2% per year for the next dew decades. How long will it take Kunesia to double its current usage in years? |
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Definition
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Term
| In the next 20 years it is expected that renewable energy sources will supply more than half of the U.S energy requirements? |
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Definition
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Term
| to produce one dollar worth of goods and services, the U.S uses less energy than any other country in the world? |
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Definition
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Term
| The. U.S has highest crude oil reserves in the world? |
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Definition
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Term
| The fastest growth in the energy use is projected for some of the Asian nations |
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Definition
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Term
At the present rate of consumption, reserves for which of the following fuels will last the longest time?
A. Pretroleum
B. Coal
C. Natural Gas |
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Definition
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Term
Resources represent the portion of demonstrated energy resources that
A. Can be recovered economically
B. known to exist,regardless of technical or economic viability
C. can be recovered economically
D. is known to exist or even suspected to exists |
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Definition
| is known to exists, regardless of technical or economic viability |
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Term
| In which of the following regions of the world is the per capita energy consumption the highest in the world? |
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Definition
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Term
which energy source accounts for the greatest proportion of electricity generation in the US?
A. Natural Gas
B. Petroleum
C. Coal
D. Hydro |
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Definition
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Term
What is true about energy conversion devices?
A. - Total Energy input = Energy Output + Energy dissipated to the surroundings
B. total energy input = useful energy output
C. total energy input =energy dissipated to the surroundings
D. Total energy input = efficiceny x total energy output |
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Definition
| - Total Energy input = Energy Output + Energy dissipated to the surroundings? |
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Term
Which of the following devices is least energy efficient?
A. Power plant
B. Electric Motor
C. Light Bulb
D. Home heating furnace |
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Definition
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Term
Which is the form of useful energy output in the case of a computer screen?
A. Radiation
B. Mechanical
C. Thermal
D. Chemical |
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Definition
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Term
Which is the function of generator in a power plant?
A. Concert chemical to mechanical
B. Mechancial to Electrical
C. Thermal to Mechancial
D. None. |
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Definition
| convert mechanical energy to electrical energy |
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Term
| A turbine is the most efficient use in a power plant? T/F? |
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Definition
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Term
| Electricity can be generated from fossil fuels? |
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Definition
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Term
| From a car, useful energy output is mechanical? |
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Definition
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Term
| An incandescent light bulb has an efficiency of 5%? |
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Definition
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Term
Approx. what % of electricity does an incandescent light bulb convert into visible light?
A. 5
B. 20
C. 40
D. 90 |
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Definition
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Term
What is the form os useful energy output in the case of a lawn mower?
A. mechanical
b. thermal
C. radiation
D. chemcial |
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Definition
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Term
Normal light bulbs give off much more ___ than fluorescent light bulbs.
A. Light
B. Energy
C. Heat
D. Radiation |
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Definition
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Term
Carnot efficiency is lowered is we___.
A. Increase Thot
B. Decrease Tcold
C. Decrease Thot |
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Definition
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