An electrical generating plant operates so that the steam driving its turbines is at 985o F, cooling towers keep the cold reservoir at a temperature of 111o F. What is the theoretical maximum efficiency (in %)?
If the plant's fuel cost for one year is 61.0 million dollars when using the cooling towers, estimate the yearly saving in fuel cost if the plant used a nearby lake's water to cool the cold reservoir to 52o F while producing the same amount of electricity (in millions of dollars).
If the plant's fuel cost for one year is 61.0 million dollars when using the cooling towers, estimate the yearly saving in fuel cost if the plant used a nearby lake's water to cool the cold reservoir to 52o F while producing the same amount of electricity (in millions of dollars).