1n-=-ott1amet-.reot.it bum the combustion chambers of the bollers are to be a€; i 0 a1 <IU!ornatJCally purged belo•e relrgt, t,ro,g_ J o, autom.iucaov lllffleo i,..10 , .. ·e•,rt:· ,, 8 - ----- -------
Direct Answer
Option A: automatically purged before relighting. O bi automatically relighted without purging.
In the event of burner flame failure, marine boiler combustion chambers must be automatically pre-purged with air for a prescribed duration before relighting to prevent explosive ignition of accumulated gas.
All Options
Detailed Explanation & Context
In the event of burner flame failure, marine boiler combustion chambers must be automatically pre-purged with air for a prescribed duration before relighting to prevent explosive ignition of accumulated gas.
Relevant Framework: STCW 2010 Manila Amendments • DG Shipping E-Learning & Exit Exam Standards • Advanced Training for Ships subject to the IGF Code (AIGF).
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