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**Marine Steam Plant**The text discusses boiler efficiency, flue gas composition, and Orsat apparatus for analyzing gases. It also touches on complete and incomplete combustion.**Marine Gas Turbine**The second part of the text focuses on marine gas turbines, introducing their components and discussing their thermal efficiencies. It explains the Joule cycle, Brayton cycle, and ideal thermal efficiency of gas turbine cycles. The text also mentions methods for increasing gas turbine efficiency and actual cycle efficiency.In summary, the text covers:* Marine steam plant: boiler efficiency, flue gas composition, Orsat apparatus, complete and incomplete combustion* Marine gas turbine: introduction to gas turbines, Joule cycle, Brayton cycle, ideal thermal efficiency, methods for increasing efficiency, actual cycle efficiency