When considering the presence of water in a vapor-cycle cooling system, which statement is true?

In a vapor-cycle cooling system, the presence of water can significantly impact the performance and efficiency of the system. When considering the thermal properties of water, it is known that water has a high specific heat, meaning it can absorb and store a substantial amount of heat without a considerable increase in temperature. This characteristic can be vital in affecting the overall cooling efficiency, in that water can absorb excess heat from the system.

If the second statement highlights the negative effects or inefficiencies introduced by the presence of water, such as potentially leading to condensation in areas where it can cause issues, then it confirms its validity. Additionally, water may lead to corrosion or the formation of ice, thus impacting the longevity and reliability of the cooling system.

Understanding the properties and effects of water in the context of vapor-cycle cooling systems is crucial, as they greatly influence system design and operational strategies. Hence, confirming that only the second statement is true acknowledges the critical role water plays in the functionality of these systems.