GASCO Exit Exam • Set 6 Question 9 of 30

What is the purpose of having a level gauging system?

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Direct Answer

Option C: To get accurate tank levels for custody transfer and topping up

The correct answer is To get accurate tank levels for custody transfer and topping up. This complies with established gas tanker operational standards, thermodynamics, and the IGC Code safety requirements.

All Options

To avoid over pressureizing of cargo tanks during loading operation

To ensure tank cool down rate is maintained at required rat

To get accurate tank levels for custody transfer and topping up (Correct Answer)

To prevent sudden temperature change in the insulation spaces

Detailed Explanation & Context

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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More Questions in GASCO Set 6

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Q1 Onboard an LNG tanker, why is forced boil - off required out during loaded passage? Q2 If there is an interruption at the end of cooldown before loading, what is the recommended measure to be taken? Q3 What does the pressurizing the insulation spaces with nitrogen and maintaining a slightly higher pressure than the atmospheric pressure prevent? Q4 Can ballast operations take place during custody transfer measurement? Q5 What is the medium used for inerting cargo tanks? Q6 What is the main reason for a membrane class LNG tanker to retain a small quantity of cargo ("heel") during ballast passage? Q7 Which equipment Is used for evacuating the Insulation spaces? Q8 Safety is dependent on orderliness and cleanliness. Order may be maintained by______. Q9 Oxygen in the atmosphere of the tank is used up when iron is converted into oxides during the corrosion process. ---------------i in the tanks prior to entry. Q10 gas pressurizes the liquid out of the soda acid type- water extinguisher through the dip tube.