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CHEMCO Exit Exam • Set 11 Question 15 of 30

When preparing to pump flammable liquids with a centrifugal pump, you should

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Direct Answer

Option B: check for gland leakage and any fire hazard

Prior to pumping flammable liquids, it is critical to check centrifugal pump glands for any leakage and ensure no potential ignition sources or fire hazards exist in the vicinity. This aligns with ISGOTT guidelines for safe cargo operations, preventing the release and ignition of hazardous vapours.

All Options

A
draw a small quantity of liquid to prime the pump
B
check for gland leakage and any fire hazard (Correct Answer)
C
have a standby pump running with the discharge valve closed
D
lift the relief valve by hand to check its operation

Detailed Explanation & Context

Prior to pumping flammable liquids, it is critical to check centrifugal pump glands for any leakage and ensure no potential ignition sources or fire hazards exist in the vicinity. This aligns with ISGOTT guidelines for safe cargo operations, preventing the release and ignition of hazardous vapours.

Relevant Framework: STCW 2010 Manila Amendments • DG Shipping E-Learning & Exit Exam Standards • Advanced Training for Chemical Tanker Cargo Operations (CHEMCO).

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