Why are turbines for hydroelectric dams located far below the top of the dam?(1 point)
Responses
To allow the potential energy of the water to increase as it falls.
To allow the potential energy of the water to increase as it falls.
To allow the kinetic energy of the water to increase as it falls.
To allow the kinetic energy of the water to increase as it falls.
To ensure that the water does not lose too much potential energy before it hits the turbines.
To ensure that the water does not lose too much potential energy before it hits the turbines.
To ensure that the water does not lose too much kinetic energy before it hits the turbines.
To ensure that the water does not lose too much kinetic energy before it hits the turbines.
To allow the potential energy of the water to increase as it falls.
The correct response is: To allow the potential energy of the water to increase as it falls.
The correct answer is: To ensure that the water does not lose too much potential energy before it hits the turbines.
Explanation:
The turbines in hydroelectric dams are located below the top of the dam to maximize the usage of the potential energy of the water. As the water flows from a higher elevation to a lower elevation, it gains potential energy. By placing the turbines lower down in the dam, it allows the water to maintain a significant amount of potential energy before reaching the turbines.
If the turbines were located at the top of the dam, the water would have already lost much of its potential energy by the time it reached them. This would result in less energy being available to power the turbines and generate electricity.
By placing the turbines lower down, closer to the base of the dam, the water is able to retain a larger proportion of its potential energy, ensuring that more energy can be extracted from it as it passes through the turbines. This maximizes the efficiency of the hydroelectric power generation system.