Hoover Dam generates electricity with water taken from a depth of 130 m and with
ID: 586662 • Letter: H
Question
Hoover Dam generates electricity with water taken from a depth of 130 m and with an average flow rate of 620 m3/s.(a) Calculate the power in this flow. Note that the velocity and height of the water are not changed appreciably by the generators, but its pressureHoover Dam generates electricity with water taken from a depth of 130 m and with an average flow rate of 620 m3/s.
(a) Calculate the power in this flow. Note that the velocity and height of the water are not changed appreciably by the generators, but its pressure
Explanation / Answer
pressure = h * density * g
= 130 * 1000 * 9.81 = 1275300 N/m2
Power = pressure * flow rate
P = 1275300 * 620
= 790686000
= 790.686 MW
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