How many secondary distilled water circulating pumps does each cooling system have?

The correct answer indicates that each cooling system typically has two secondary distilled water circulating pumps. This design is employed to ensure redundancy and reliability within the cooling system. Having two pumps provides a backup in case one fails, which is critical for maintaining consistent cooling to sensitive electronic equipment. If one pump has to be taken offline for maintenance or if it experiences an issue, the other pump can continue to operate, thus preventing overheating and potential damage to the system.

Additionally, this dual-pump setup allows for improved efficiency, as one pump can operate while the other is resting or under maintenance, ensuring that the cooling demands can still be met at all times. Furthermore, this configuration supports balancing the load between the two pumps, contributing to longer operational life and reduced wear on each individual pump.

In contrast, having only one pump would significantly increase the risk of system failure, and a higher number than two would complicate the system without substantial added benefit for typical applications. This is why the two-pump configuration is widely utilized in cooling systems requiring reliable and continuous operation.