This book is compiled in accordance with the revised competency examination outline forChinese sea farers issued by Maritime Safety Bureau. Together with cutting edge of marineengineering technologies in the recent five years， this book introduces electronicallycontrolled diesel engine of Sulzer RTA Flex and MAN B&W ME， energy saving technologiesof slow steaming， waste heat recovery， contra-rotating propeller， exhaust emission control，vibratory condition monitoring and digitalized monitoring & control systems. Shaft torsionalvibration of propulsion system is also introduced in order to satisfy the requirement ofgraduated students majored in marine engineering and naval architecture.

Part One Engine Structure
Chapter 1 Marine Propulsion Plant
Chapter 2 Parts and Components of Marine Diesel Engine
Chapter 3 Typical Marine Diesel Engines
Part Two Engine Working Principle
Chapter 4 Air Scavengineg and Turbo-Charging
Chapter 5 Fuel Injection and Combustion
Chapter 6 Fuel Oil,Cooling Water,Lubricant Oil and Treatment Systems
Part Three Operation and Maintenance
Chapter 7 Maneuvering System of Main Engine
Chapter 8 Normal and Emergency Operation in Engine Room
Chapter 9 Control and Application of Vibration Signals
Appendix Solas and Marpol International Conventio