Exam 1 Submitted by mjm668 on 10 4 2006 7 47 46 PM Points Awarded 89 Points Missed 28 Percentage 76 1 Identify the group where all energy sources are renewable energy sources 2 Points A B C D Wind Petroleum Nuclear Fission Biomass Solar Nuclear Fusion Tidal Coal Points Earned 2 2 Correct Answer C Your Response C 2 One Food Calorie is equal to energy calories 2 Points A B C D 1 100 1 1000 100 1000 Points Earned 0 2 Correct Answer D Your Response B 3 United States has approximately of coal reserves in the world 2 Points A B C D 0 75 0 05 0 5 0 25 Points Earned 2 2 Correct Answer D Your Response D 4 Which of the following energy conversion devices has the highest energy efficiency 2 Points A Fluorescent light bulb B Steam boiler in a power plant C Steam turbine D Automobile engine Points Earned 2 2 Correct Answer B Your Response B 5 Which of the following are NOT true about Energy Conversion Devices 2 Points A Total Energy Input B Total Energy Input C Total Energy Input surroundings D Total Energy Input Total Energy Output Efficiency Useful Energy Output Useful Energy Output Energy Dissipated to the Total Energy Output Points Earned 2 2 Correct Answer A Your Response B 6 From a car useful energy output is 2 Points A B C D Chemical Mechanical Thermal or Heat Radiation Points Earned 2 2 Correct Answer B Your Response B 7 In a heat engine energy is converted into mechanical energy 2 Points A B C D Chemical Mechanical Thermal Electrical Points Earned 2 2 Correct Answer C Your Response C 8 The fastest growth in the energy use is projected for some of the Asian nations 2 Points Points Earned 2 2 Correct Answer True Your Response True 9 The form of energy in biomass is 2 Points A B C D Lava Nuclear Heat Chemical Points Earned 2 2 Correct Answer D Your Response D 10 If Peter expends 1 500 calories running a mile in one hour and Samantha burns 1 500 calories riding a bike in forty five minutes Who spent the greatest amount of energy during their exercise 2 Points A Samantha B Peter C They are the same Points Earned 2 2 Correct Answer C Your Response C 11 Most of the electricity in the United States is generated from 2 Points A B C D Petroleum Coal Hydro Nuclear Points Earned 2 2 Correct Answer B Your Response B 12 Pick the odd set of units 2 Points A J s Watt BTU s kW h B kWh MWh BTU J C Cal Joule BTU kWh Points Earned 0 2 Correct Answer A Your Response B 13 Units of power when multiplied by time of usage give the units of 2 Points A B C D Work unit time Energy time Power Energy Points Earned 2 2 Correct Answer D Your Response D 14 Coal reserves for the US at the present rate of consumption will last for about 2 Points A B C D 270 years 8 years 40 years 100 years Points Earned 2 2 Correct Answer A Your Response A 15 Coal reserves for the World at the present rate of consumption will last for about 2 Points A B C D 100 years 8 years 270 years 40 years Points Earned 0 2 Correct Answer C Your Response D 16 Determine which of the following devices listed below are ranked from the most efficient to least efficient 2 Points A Power Plant thermal Automobile Engine Light bulb Incandescent Light Bulb Fluorescent B Home oil Furnace Light Bulb Electric Motor automobile C Power Plant thermal Automobile Engine Light bulb Fluorescent Light bulb Incandescent D Light Bulb Electric Motor Power Plant Automobile Engine Points Earned 2 2 Correct Answer C Your Response C 17 The energy in fossil fuels such as petroleum is stored as 2 Points A B C D Nuclear Radiant Heat Chemical Points Earned 2 2 Correct Answer D Your Response D 18 Which sustainable energy source is producing significant renewable energy in the US 2 Points A B C D Geothermal Wind Solar Biomass Points Earned 0 2 Correct Answer D Your Response B 19 calorie second is a unit of 2 Points A Energy B Power Calorie is the amount of energy needed to raise the temperature of one gram of water by one degree Celsius Power is the rate at which energy is used Points Earned 2 2 Correct Answer B Your Response B 20 Which world energy source will increase from 2002 to 2025 2 Points A B C D E Oil Nuclear Coal All of the above None of the above Points Earned 2 2 Correct Answer D Your Response D 21 Electricity can be generated from fossil fuels 2 Points Renewable and non renewable energy sources can be converted to electricity and heat Points Earned 2 2 Correct Answer True Your Response True 22 The fastest growth in the energy use is projected for some of the nations 2 Points A B C D European South American Asian African Points Earned 2 2 Correct Answer C Your Response C 23 Renewable energy not the source can be used over and over 2 Points A True B False Points Earned 0 2 Correct Answer B Your Response A 24 Growth in the energy consumption is mathematically described by function 2 Points A B C D Random Quadratic Exponential Linear Growth in the world and US energy consumption as a function of time follows what is known as exponential function Points Earned 2 2 Correct Answer C Your Response C 25 The exponential increase is characterized by the amount of change per unit time is proportional to the quantity at that time 2 Points Points Earned 0 2 Correct Answer True Your Response False 26 Doubling Time is the period in which the is doubled 2 Points A rate of growth B quantity The time it takes for the original initial quatity to double is called doubling time Points Earned 2 2 Correct Answer B Your Response B 27 Reserves represent that portion of demonstrated resources that 2 Points A can be recovered economically with the application of extraction technology available currently or in the foreseeable future B is known to exist or even suspected to exist regardless of technical or economic viability C can be recovered economically D is known to exist or even suspected to exist Points Earned 2 2 Correct Answer A Your Response A 28 Most of the projected increase in the renewable energy use in the world over next two decades is from the 2 Points A Industrialised World B Developing countries Much of the projected growth in renewable generation is expected to result from the completion of large hydroelectric facilities in developing countries particularly in developing Asia Points Earned 0 2 Correct Answer B Your Response A 29 Per capita energy consumption in the following region is the highest in the world 2 Points A B C D South and Central America Africa …