LGTCO/LGTF Exit Exam • Set 6 Question 30 of 30

What is the purpose of a flammable gas detector in gas tanker cargo operations?

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Direct Answer

Option B: detects vapour concentration related to LEL

Flammable gas detectors (combustible gas indicators / explosimeters) quantify flammable vapour concentrations as a percentage of the Lower Explosive Limit (LEL).

All Options

to increase engine speed

detects vapour concentration related to LEL (Correct Answer)

to replace bridge navigation equipment

to remove the need for watchkeepers

Detailed Explanation & Context

Flammable gas detectors (combustible gas indicators / explosimeters) quantify flammable vapour concentrations as a percentage of the Lower Explosive Limit (LEL).

Relevant Framework: STCW 2010 Manila Amendments • DG Shipping E-Learning & Exit Exam Standards • Liquefied Gas Tanker Cargo Operations (LGTCO/LGTF).

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