Air Systems Cleaning Specialist (ASCS) Practice Exam

The primary role of pipe insulation on chilled water lines is to control condensation. When chilled water flows through pipes, the temperature difference between the cold water inside the pipes and the warmer air outside can lead to moisture accumulating on the pipe surface. This moisture can cause condensation, which can result in water damage, promote mold growth, and lead to inefficient system performance. By insulating the pipes, the insulation helps to minimize the temperature differential that facilitates condensation, thereby reducing the risk of these potential issues.

While the other options relate to concerns that could arise due to improper insulation, they do not reflect the main function of pipe insulation. Insulation aims to keep the temperature consistent within the pipes to prevent condensation, rather than directly addressing problems like freezing or bursting, which are secondary effects rather than primary roles.