Refresher Exit Exam • Set 2 Question 16 of 30

Radiation can cause a fire to spread by:

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Direct Answer

Option C: The transfer of heat across an unobstructed space

Radiation is the transfer of heat through electromagnetic waves across space, meaning it does not require direct contact or a medium to ignite nearby combustibles.

All Options

Burning liquids flowing into another space

Heated gases flowing through ventilation systems

The transfer of heat across an unobstructed space (Correct Answer)

Transmitting the heat of a fire through the ship’s metal

Detailed Explanation & Context

Radiation is the transfer of heat through electromagnetic waves across space, meaning it does not require direct contact or a medium to ignite nearby combustibles.

Relevant Framework: STCW 2010 Manila Amendments • DG Shipping E-Learning & Exit Exam Standards • Refresher Course for STCW Modular Courses (Refresher).

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Q1 Which of the listed classes of fire is considered as one involving electrical equipment? Q2 Which of the following would be considered a Class “B” fire? Q3 If ignited, which material would be a class B fire? Q4 Which of the listed extinguishing agents is NOT suitable for fighting a liquid paint fire? Q5 Which extinguishing agent is most effective on a mattress fire? Q6 You are fighting a fire in a watertight compartment using hoses and river water. Stability may be reduced because of: Q7 When used to fight fire, carbon dioxide: Q8 Carbon dioxide as a firefighting agent has which advantage over other agents? Q9 To prevent the spread of fire by convection you should: Q10 What is NOT a characteristic of carbon dioxide fire-extinguishing agents?