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EGEE Midterm Exam 1 Review 2025 Questions and Answers A wind turbine costs $10 million to construct and generates $1 million worth of electricity per year. When has the wind turbine paid for itself (what is the pay-back period)? ....ANSWER ...-10 Years What do you think "embedded" energy is? - ....ANSWER ...-The energy that goes into making something. What is the biggest use of energy in a home? - ....ANSWER ...-heating and air conditioning Kevin lives next to a power plant that burns coal. He wants to be more green, so he buys an electric car that he can plug into his home electricity. What is powering Kevin's car? ....ANSWER ...-coal If you have 200 lbs of coal in your shed and you burn 1 lb a day, how long will it last? ....ANSWER ...-200 days Where do you think coal comes from? - ....ANSWER ...-humic swamps millions of years ago What did coal provide the developed world during the Industrial Revolution? ....ANSWER ...-heat and health problems electricity and pollution …FOR STUDENTS ONLY…©️2025 ALL RIGHTS RESERVED… 1