GASCO Exit Exam • Set 6 Question 10 of 30

What is the type of gas detection system fitted for spaces with air?

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Direct Answer

Option A: Spot metering type fixed inside the individual insulation spaces

The correct answer is Spot metering type fixed inside the individual insulation spaces. This complies with established gas tanker operational standards, thermodynamics, and the IGC Code safety requirements.

All Options

Spot metering type fixed inside the individual insulation spaces (Correct Answer)

Infrared type using sequential measurement

Portable gas detection system due to mobility of this method

Catalytic combustion typ

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.