What is the purpose of an interlock in a mechanical system?

The primary purpose of an interlock in a mechanical system is to provide safety automation. Interlocks are designed to ensure that certain conditions are met before a system can operate, preventing unsafe situations. For example, in HVAC systems or industrial machinery, interlocks can prevent equipment from operating unless specific safety checks or conditions are satisfied, such as ensuring doors are closed or that pressure levels are safe.

This safety mechanism protects both operators and the system itself from potential hazards that could arise from improper operation, such as equipment damage or accidents. Overall, interlocks serve as critical safety features that enhance the reliability and safety of mechanical systems.

While other options may touch on aspects of mechanical systems, they do not align with the fundamental purpose of an interlock, which is to enhance safety through automation and controlled operation.