What risk occurs if a cargo pump is run dry without liquid flow?
Direct Answer
Option D: Overheating of mechanical seals and bearings, causing fire hazard or pump seizure
Centrifugal cargo pumps rely on liquid flow for internal lubrication and cooling. Running a pump dry causes extreme friction, overheating mechanical seals and bearings, which can result in catastrophic failure or ignition.
All Options
Detailed Explanation & Context
Centrifugal cargo pumps rely on liquid flow for internal lubrication and cooling. Running a pump dry causes extreme friction, overheating mechanical seals and bearings, which can result in catastrophic failure or ignition.
Relevant Framework: STCW 2010 Manila Amendments • DG Shipping E-Learning & Exit Exam Standards • Oil and Chemical Tanker Cargo Operations (OCTCO/OCTF).
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