At the end of this lesson, you will be able to describe the normal operations of the water and steam cycle within a power generating unit, the relationship of components within the system, and the effect of adjustments made to those components that may affect the efficiency and safety of the plant’s normal operation. • Describe the relationship of system components to maintain boiler water levels • Sequence the steps in the boiler water cycle • Identify and explain the relationship of components within the boiler steam system • Identify moisture erosion, its causes, and preventions