In pump rooms and pipe tunnels flameproof electric light fittings are generally fitted. This means that
Direct Answer
Option B: Gas may enter but even if an explosion takes place the fitting is so strong that the explosion will be contained within it and which will not be blown out
Flameproof (Ex d) fittings are designed to contain an internal explosion without igniting the surrounding atmosphere. The enclosure is robust enough to withstand the pressure, preventing the propagation of flames to the external hazardous environment. (SOLAS II-2)
All Options
Detailed Explanation & Context
Flameproof (Ex d) fittings are designed to contain an internal explosion without igniting the surrounding atmosphere. The enclosure is robust enough to withstand the pressure, preventing the propagation of flames to the external hazardous environment. (SOLAS II-2)
Relevant Framework: STCW 2010 Manila Amendments • DG Shipping E-Learning & Exit Exam Standards • Refresher Advanced Fire Fighting (RAFF).
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