2nd Class Power Engineering (2B1) Practice Exam

The primary function of the condenser in a steam system is to cool steam back into water for reuse in the boiler. In a typical steam cycle, steam produced in the boiler is used to drive turbines or perform work in various processes. After doing its work, the steam needs to be condensed back into water so that it can be fed back into the boiler.

This condensation process is crucial because it helps maintain the efficiency of the steam cycle. When steam is cooled in the condenser, it releases latent heat, allowing the water to be collected and reused. This not only conserves water but also helps in maintaining the overall energy efficiency of the system by minimizing the need for additional water to be heated.

Condenser operation also contributes to creating a vacuum in the steam system, which can improve turbine efficiency. By efficiently converting steam back to water, the condenser plays a key role in the continuous operation of the steam system, thereby ensuring a closed-loop where water is cycled through the system.

While generating steam, purifying boiler water, and increasing steam pressure are important aspects of steam systems, they do not define the primary role of the condenser. The condenser’s main purpose is indeed focused on the conversion and recycling of steam into water.