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EGEE Exam 1 Questions with Accurate Answers
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Exam of 3 pages for the course EGEE at EGEE (EGEE Exam 1)
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EGEE Exam 1The amount of energy used to heat a home can be measured using - answerKilowatt
hours
What is the ratio of useful energy to total input energy? - answerEfficiency
Which sector is the largest consumer of energy in the U.S.? - answerTransportation
A driver requires 60,000 BTU of energy. This drive takes half a gallon of gasoline, which
cost $3 per gallon. An electric car costs $0.08 per kWh to operate. Which takes more
energy for the drive, the car or the electric car? - answerBoth take the same energy for
the drive
Which is the mode of heat transfer through a moving fluid medium called? -
answerConvection
What is the mode of heat transfer via electromagnetic waves called? - answerRadiation
What is the mode of heat transfer though a solid medium called? - answerConduction
In the US. more electricity is generated from _______ than from any other source. -
answerFossil Fuels
T/F - Most of the energy demand in the US is met y renewable energy sources. -
answerFALSE
We get most of our energy from nonrenewable energy sources, which include the fossil
fuels: oil, natural gas, and coal
T/F - Efficiency is defined as the amount of useful energy generated during an energy
conversion divided by the total energy input. - answerTrue
A kWh is a unit of? - answerenergy
1 calorie is defined as the amount of heat required to raise the temperature of 1g of
water by - answer1 degree celsius
Which of the following is a unit of energy? - answerJoule
Which of the following is a unit of power - answerWatt
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