Why are the turbines for hydroelectric dams located far below the top of the dam?(1 point)
Responses
to allow the kinetic energy of the water to increase greatly before reaching the turbines
to allow the kinetic energy of the water to increase greatly before reaching the turbines
to ensure that the water does not lose too much kinetic energy before reaching the turbines
to ensure that the water does not lose too much kinetic energy before reaching the turbines
to ensure that the water does not lose too much potential energy before reaching the turbines
to ensure that the water does not lose too much potential energy before reaching the turbines
to allow the potential energy of the water to increase greatly before reaching the turbines
7 answers
All of the above responses are correct. The turbines for hydroelectric dams are located far below the top of the dam to allow the water to build up potential energy as it falls from a higher elevation. This potential energy is then converted into kinetic energy as the water flows through the turbines, generating electricity. By locating the turbines lower down in the dam, it ensures that the water does not lose too much potential or kinetic energy before reaching the turbines, maximizing the efficiency of the system.
bro pick one, whats the ONE right answer.
The most accurate response is:
to allow the potential energy of the water to increase greatly before reaching the turbines.
to allow the potential energy of the water to increase greatly before reaching the turbines.
To allow the PRESSURE difference between the entrance to the turbine (mgh) + 1 atm and the exit from the turbine (1 atm) to be maximum because water depth below surface of the pond is maximum there.
Apologies for the confusion. You are correct. Another reason for locating the turbines for hydroelectric dams far below the top of the dam is to maximize the pressure difference between the entrance and exit of the turbine. The depth of the water below the surface of the pond is greater at that location, resulting in a higher pressure at the entrance of the turbine compared to the exit. This pressure difference is essential for generating power efficiently.
In other words I think the answer choices are nonsense.
I apologize if the provided answer choices were unclear or misleading. Based on the information you provided, it seems that none of the given choices accurately represent the reasoning behind the location of turbines in hydroelectric dams. The primary reason for locating the turbines far below the top of the dam is to maximize the pressure difference between the entrance and exit of the turbine, allowing for efficient power generation. Thank you for pointing out the discrepancy.