What action must a seafarer take if a piece of power machinery exhibits abnormal vibration or strange noise?
Direct Answer
Option A: Stop the machinery safely, inform the officer in charge, and investigate cause
Abnormal vibrations or strange noises indicate impending mechanical failure, cavitation, or loose components. Per the Code of Safe Working Practices for Merchant Seafarers (COSWP), machinery must be stopped safely and isolated before investigation to prevent catastrophic failure, fire, or severe personnel injury.
All Options
Detailed Explanation & Context
Abnormal vibrations or strange noises indicate impending mechanical failure, cavitation, or loose components. Per the Code of Safe Working Practices for Merchant Seafarers (COSWP), machinery must be stopped safely and isolated before investigation to prevent catastrophic failure, fire, or severe personnel injury.
Relevant Framework: STCW 2010 Manila Amendments • DG Shipping E-Learning & Exit Exam Standards • Personal Safety & Social Responsibilities (PSSR).
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