What does the acronym CDO stand for in the context of engineering operations?

In the context of engineering operations, CDO stands for Chief Duty Officer. This role typically involves overseeing the operation of engineering plants and machinery, ensuring the safety and efficiency of these systems. The CDO is responsible for monitoring machinery performance, troubleshooting issues, and coordinating maintenance or repairs when necessary. Additionally, the Chief Duty Officer plays a critical role in ensuring compliance with safety protocols and operational guidelines, making it essential for maintaining the overall operational integrity of engineering functions on a vessel.

The other options, while they may sound plausible, do not align with established terminology in the field. The position of Chief Duty Officer is the recognized title that most accurately reflects the responsibilities and function within engineering operations.