Pre-class 2_ Energy, Power, and Efficiency_ EGEE 101 (SP24 WC ONLINE MERGED)

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School

Pennsylvania State University *

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Course

101

Subject

Mechanical Engineering

Date

Apr 3, 2024

Type

pdf

Pages

2

Uploaded by DoctorTeam18550

Pre-class 2: Energy, Power, and Efficiency Due Jan 22 at 11:59pm Points 4 Questions 4 Available Jan 15 at 12am - Feb 1 at 11:59pm Time Limit None Allowed Attempts Unlimited This quiz was locked Feb 1 at 11:59pm. Attempt History Attempt Time Score LATEST Attempt 1 2 minutes 4 out of 4 Score for this attempt: 4 out of 4 Submitted Jan 16 at 12:13am This attempt took 2 minutes. Question 1 1 / 1 pts 1 year 0.1 years 100 years Correct! 10 years Question 2 1 / 1 pts Energy that flows in a river bed. The energy inside of us. Correct! The energy that goes into making something. Question 3 1 / 1 pts 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)? What do you think "embedded" energy is?
Correct! heating and air conditioning lighting appliances Question 4 1 / 1 pts Correct! coal petroleum solar nuclear wind natural gas Quiz Score: 4 out of 4 What is the biggest use of energy in a home? 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?
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