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EGEE Exam 1

# EGEE Exam 1 - EGEE Exam 1 2 From the following identify the...

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EGEE Exam 1 2. From the following, identify the group where all energy sources are renewable energy sources. (2 Points) A. Tidal, Coal B. Wind, Petroleum C. Solar, Nuclear Fusion D. Nuclear Fission, Biomass Solar, Nuclear Fusion, Biomass, Wind, Tidal are renewable energy sources. Nuclear Fission, Petroleum, Coal are non-renewable energy sources. Points Earned: 2/2 Correct Answer: C Your Response: C 3. One British Thermal Unit (BTU) is defined as the amount of energy required to raise the temperature of _____ (2 Points) Refer to screen 14 in 'Lesson 1: Energy and Society' Points Earned: 2/2 Correct Answer: D Your Response: D 4. The Middle East is richest in which one of the following natural resources? (2 Points) Refer to screen 18 in 'Lesson 1: Energy and Society'

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Points Earned: 2/2 Correct Answer: B Your Response: B 5. Which one of the following energy conversion devices has the lowest energy efficiency? (2 Points) Incandescent light bulb has an efficiency of 5%, Fluorescent light bulb has an efficiency of 20%, Steam boiler in a power plant has an efficiency of 88% and Electric motor has an efficiency of 90%. Refer to screen 9&23 in 'Lesson 3: Energy Efficiency' Points Earned: 2/2 Correct Answer: D Your Response: D 6. Which of the following is true about energy conversion devices? (2 Points) A. Total Energy Input = Efficiency X Total Energy Output B. Total Energy Input = Total Energy Output C. Total Energy Input = Energy Dissipated to the surroundings D. Total Energy Input = Useful Energy Output Total Energy Input = Useful Energy Output + Energy Dissipated to the surroundings Total Energy Input = Total Energy Output Efficiency = Useful Energy Output / Total Energy Input Refer to screen 2&5 in 'Lesson 3: Energy Efficiency' Points Earned: 2/2 Correct Answer: B Your Response: B 7. From a computer, the useful energy output is in the form of _____ energy. (2 Points)
Refer to screen 4 in 'Lesson 3: Energy Efficiency' Points Earned: 0/2 Correct Answer: D Your Response: C 8. In a heat engine, ________ energy is converted into mechanical energy. (2 Points) Refer to screen 14 in 'Lesson 3: Energy Efficiency' Points Earned: 2/2 Correct Answer: B Your Response: B

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