The following heat engines produce power of ( 1000 kW) Determine in each case the rates at which heat is absorbed from the hot reservoir and discarded to the cold reservoir. a) A Carnot engine...

Extracted text: The following heat engines produce power of ( 1000 kW) Determine in each case the rates at which heat is absorbed from the hot reservoir and discarded to the cold reservoir. a) A Carnot engine operates between hot reservoir at 750 K and cold reservoir at 300 K. b) A practical engine operates between the same heat reservoirs but with a thermal efficiency of 0.4