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GASCO Exit Exam • Set 14 Question 17 of 30

On an LNG tanker, during discharging why is it necessary to maintain the trim of 3m by stern during final discharging before completion of bulk discharge?

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Direct Answer

Option C: to ensure maximum discharge of cargo prior to warming up of cargo tanks

The correct answer is to ensure maximum discharge of cargo prior to warming up of cargo tanks. This complies with established gas tanker operational standards, thermodynamics, and the IGC Code safety requirements.

All Options

A
To ensure proper draining of ballast water from ballast tank
B
to increase boil-off of cargo while discharging
C
to ensure maximum discharge of cargo prior to warming up of cargo tanks (Correct Answer)
D
to maximize boil-off of cargo with by increased exposed surface area

Detailed Explanation & Context

The correct answer is to ensure maximum discharge of cargo prior to warming up of cargo tanks. This complies with established gas tanker operational standards, thermodynamics, and the IGC Code safety requirements.

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

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