How does high humidity affect air compressor performance?

High humidity can significantly impact the performance of air compressors. When humidity levels are high, the amount of water vapor in the air increases, which can lead to moisture buildup within the compressor system. This moisture can condense and accumulate in the compressor's components, potentially causing corrosion, rust, and other forms of damage over time.

Additionally, the presence of moisture in the compressed air can degrade the quality of the air supply, affecting downstream equipment and processes that rely on clean, dry air. This can lead to inefficiencies, as the compressor may need to work harder to overcome the moisture’s negative effects, ultimately consuming more energy and potentially reducing its overall efficiency.

Thus, option C correctly identifies that high humidity increases the risk of moisture buildup, which can adversely affect the performance and efficiency of the air compressor system. The impact of humidity on air compressor performance is a crucial factor for operators to consider to maintain optimal operational conditions.