How does a feedwater pump contribute to boiler operation?

A feedwater pump plays a crucial role in the operation of a boiler by supplying water to the boiler and maintaining the necessary water level. This is essential for several reasons. First, a consistent water level is vital for efficient boiler operation, as it ensures that there is always a sufficient quantity of water available for steam generation. If the water level is too low, it can lead to overheating, tube failure, or damage to the boiler, while too much water can result in poor steam quality and operational inefficiencies.

In addition, maintaining the correct water level aids in controlling the pressure within the boiler, which is important for safe operation and for achieving the desired output of steam for various applications. The feedwater pump ensures that this balanced environment is upheld, thereby facilitating optimal and safe boiler performance. Other options, while they describe different functions related to boiler operation, do not accurately depict the primary role of the feedwater pump.