GASCO Exit Exam • Set 2 Question 9 of 30

What protective atmosphere is maintained inside the void spaces of Type A independent LPG tanks?

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Direct Answer

Option C: Dry inert gas or dry air

Void spaces surrounding Type A tanks are kept dry with inert gas or dry air to prevent corrosion and detect leaks.

All Options

Seawater

Steam

Dry inert gas or dry air (Correct Answer)

Pure oxygen

Detailed Explanation & Context

Void spaces surrounding Type A tanks are kept dry with inert gas or dry air to prevent corrosion and detect leaks.

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 2

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Q1 What safety valve is fitted on cargo lines to relieve thermal expansion of trapped liquid? Q2 What type of cargo compressor is commonly used in LPG reliquefaction plants? Q3 What emergency signal activates the shipwide ESD during cargo operations? Q4 What publication provides detailed safety guidelines for Tanker Safety in gas operations? Q5 How frequently must operational drills and practical checks for regulatory compliance and STCW code requirements be conducted for Advanced Liquefied Gas Tanker? Q6 What documented record must be maintained on board following completion of tasks related to regulatory compliance and STCW code requirements in Advanced Liquefied Gas Tanker? Q7 What is the primary function of the cargo vaporizer on an LNG carrier? Q8 Which type of independent tank is spherical in shape and self-supporting? Q9 What is 'gassing up' in gas carrier operations? Q10 What risk occurs if water vapor is present inside an LPG cargo system before loading cargo?