LGTCO/LGTF Exit Exam • Set 5 Question 5 of 30

Which of the following is an example of a closed gauging system that does not penetrate the cargo tank shell?

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Direct Answer

Option C: Radar (microwave) gauge

Radar (microwave) level gauges transmit and receive electromagnetic signals through a gas-tight antenna window without physically penetrating or opening the cargo containment barrier.

All Options

Slip tube

Float gauge

Radar (microwave) gauge (Correct Answer)

Nitrogen bubbler gauge

Detailed Explanation & Context

Radar (microwave) level gauges transmit and receive electromagnetic signals through a gas-tight antenna window without physically penetrating or opening the cargo containment barrier.

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

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