LGTCO/LGTF Exit Exam • Set 3 Question 9 of 30

An audible and visual alarm system gives a warning on both sides of the airlock when:

✓

Direct Answer

Option A: More than one door is moved from the closed position

The airlock safety system activates audible and visual alarms on both sides if more than one door is opened or moved from the closed position simultaneously.

All Options

More than one door is moved from the closed position (Correct Answer)

One door is moved from the closed position

One door cannot be opened

Both doors cannot be opened

Detailed Explanation & Context

The airlock safety system activates audible and visual alarms on both sides if more than one door is opened or moved from the closed position simultaneously.

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

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Q1 Liquefied gas tankers are categorized as per the cargoes carried, as follows: Q2 There are three types of gas tankers according to the carriage condition, such as: Q3 The cargo area of a gas tanker which is not equipped in an approved manner to ensure that its atmosphere is at all times maintained in a safe manner is a: Q4 A space other than a gas-dangerous space is known as: Q5 Air intakes for accommodation and engine-room have to be at a minimum safe distance from ventilation outlets from: Q6 Can hot work in dangerous and hazardous areas be carried out during cargo, tank cleaning, gas freeing, purging or inerting operations? Q7 Access from a gas-dangerous zone on the open weather deck to a gas-safe space is arranged through: Q8 Airlock doors should be self-closing and must not have hooks or hold-open devices. There should be a minimum distance of at least _____ between both doors. Q9 An audible and visual alarm system gives a warning on both sides of the airlock when: Q10 The gas-safe and airlock spaces within the cargo area have: