Answered: Which characteristic is a disadvantage…

Which characteristic is a disadvantage of hydroelectric plants? O Low net energy Large land disturbance O Little untapped potential O High-cost electricity High emissions of carbon dioxide

College Physics

1st Edition

ISBN:9781938168000

Author:Paul Peter Urone, Roger Hinrichs

Publisher:Paul Peter Urone, Roger Hinrichs

Chapter7: Work, Energy, And Energy Resources

Section: Chapter Questions

Problem 34PE: A large household air conditioner may consume 15.0 kW of power. What is the cost of operating this...

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The nearby town of Bellefonte, PA features the Gamble Mill, an old mill originally used to grind grain into flour in the 1800s for hydropower. The mill dam, pond, mill race and tail race are still in place and functional. The mill building is now a restaurant (currently for sale), but all the water works are owned by the borough. The municipal manager wants to put the system back to work as a small hydroelectric system to help supply the borough's electricity. Does this idea make sense? How much power could this system produce? The height difference between the mill race and the tail race is ten feet (3 meters), and the stream can supply, on average, 100 cubic feet of water per second (2.8 m3/sec). The planned turbine would be 72% efficient under those conditions. Power (watts) density of water* height flow rate acceleration of gravity coefficient of efficiency NOTE: the coefficient of gravity is 9.81 for this problem Don't round your answers.
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