Boiler Operator Licensing Practice Exam 2025 - Free Boiler Operator Practice Questions and Study Guide

The main components of a boiler system play critical roles in generating steam or hot water efficiently and safely. The correct selection includes the boiler itself, which is the heart of the system where heat is generated; the burner, which supplies the fuel for combustion; the combustion chamber, where fuel is burned to produce heat; the steam drum, which collects and stores steam; and the feedwater system, responsible for supplying water to the boiler.

Each of these components works together to ensure safe and efficient operation. The boiler generates heat, and the burner introduces fuel into the combustion chamber, creating the necessary heat for water to convert into steam. Meanwhile, the steam drum serves to separate steam from water, allowing the steam to be used for heating or power generation. Lastly, the feedwater system ensures that there is always water in the boiler to maintain the process.

In contrast, options that include components such as a heat exchanger, thermostat, and compressor focus more on different systems like HVAC rather than the core aspects of a boiler operation. Similarly, components like chimneys and storage tanks are related to exhaust or fuel storage but do not constitute the main parts of the boiler system itself. Lastly, while pipes, vents, and filters are associated with different functionalities within a broader plumbing