申論題

Problem 5. Choose the correct answer in each question below and show the equations and calculations used to get the answers (20%; 10 pts each):

Q1. A boiler consumes 500 kJ/s to produce heat at 1300 K in an environment at 300 K. Dctermine which value below is the maximum work that can be yielded by the heat in the boiler: (a) 192 kW, (b) 115 kW, (c) 385 kW, (d) 500 kW, (e) 650 kW.