As Chief Engineer you join a vessel enrolled in Continuous Machinery Survey. Approximately what percent of the machinery should be surveyed per year throughout the Special Survey cycle?

Correct Answer: Option B — 20%

Under a Continuous Machinery Survey (CMS) program, the machinery is surveyed in cycles, typically over a five-year period. To ensure all equipment is inspected within the special survey cycle, approximately 20% of the machinery items are required to be surveyed annually, ensuring the entire plant is covered by the end of the cycle.