Lesson 25

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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

Lesson 25.2 Participation: World’s Largest Hydropower Projects Due Apr 3 at 11:59pm Points 3 Questions 3 Time Limit None Allowed Attempts Unlimited Attempt History Attempt Time Score KEPT Attempt 2 less than 1 minute 3 out of 3 LATEST Attempt 2 less than 1 minute 3 out of 3 Attempt 1 less than 1 minute 0 out of 3 Score for this attempt: 3 out of 3 Submitted Mar 25 at 12:37am This attempt took less than 1 minute. Question 1 1 / 1 pts Correct! 59.64684 TWh 59,646.84 TWh 2,485,285 TWh 6.809 TW Question 2 1 / 1 pts Correct! 38% Take the Quiz Again What is the theoretical maximum annual output (in TWh) of the Grand Coulee dam – rated at 6,809 Megawatts? The Grand Coulee Dam in 2009 produced 22.6 TWh, compared to a maximum 59.64684 TWh. What percentage of its capacity is used?
100% 60% 50% Question 3 1 / 1 pts Correct! No, exploiting all available sites would move hydro from 6% to perhaps 10% Yes, there is enough unused potential hydropower to take over what coal is currently supplying No, hydropower is already on the way out – we are removing dams, not building them Quiz Score: 3 out of 3 Can hydropower replace coal for US electric generation?
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