LGTCO/LGTF Exit Exam • Set 6 Question 4 of 30

What is the minimum water application rate of the fixed water spray system for fire protection purposes on vertical surfaces?

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Direct Answer

Option B: 4 litres/m² per minute

The IGC Code specifies a minimum water spray delivery rate of 4 litres/m² per minute for vertical surfaces, accommodation bulkheads, and tank domes.

All Options

8 litres/m² per minute

4 litres/m² per minute (Correct Answer)

12 litres/m² per minute

15 litres/m² per minute

Detailed Explanation & Context

The IGC Code specifies a minimum water spray delivery rate of 4 litres/m² per minute for vertical surfaces, accommodation bulkheads, and tank domes.

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

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