CHEMCO Exit Exam • Set 5 Question 25 of 30

A restricted tank gauging system

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Direct Answer

Option B: Does not allow vapour to escape

A restricted tank gauging system, as defined in standards like ISGOTT, is designed to minimize vapor release during gauging. It achieves this by employing a closed-loop system that prevents significant escape of flammable or toxic vapors.

All Options

Allows limited amounts of vapour to escape

Does not allow vapour to escape (Correct Answer)

Uses a float gauge

Does not use an ullage tape

Detailed Explanation & Context

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

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