Which of the following is NOT part of a DLSS?

The question focuses on the components that make up a Diver Life Support System (DLSS). In a DLSS, critical components are needed to ensure diver safety and efficiency during underwater operations.

Chambers are essential to the DLSS, as they provide the necessary atmosphere for divers and can contain breathable gases under pressure. Sensors are also a significant component, as they help monitor various parameters such as pressure, temperature, and oxygen levels, ensuring that the system functions correctly and safely. Filters, too, are a vital part of the system, used to clean the air or gases before they are delivered to divers, maintaining the safety and quality of the breathing environment.

Electrical services, while important for powering other systems, are not classified as a direct component of the DLSS itself like chambers, sensors, or filters. Instead, they are more of an auxiliary set of services that support the functionality of the system but do not constitute a fundamental part of the life support mechanism. Therefore, identifying electrical services as not part of the DLSS is accurate because they serve more as supportive infrastructure rather than a core function of life support for divers.