RAFF Exit Exam • Set 1 Question 29 of 30
If the O2 content after inert plant is more than 5%
✓
Direct Answer
Option D: None of the above
If inert gas plant oxygen content exceeds 5%, it indicates a system malfunction. The gas should not be vented or recirculated; instead, the system requires immediate investigation and corrective action to maintain safe inerting levels.
All Options
A
Automatically vent into the atmosphere
B
Re-circulated back in scrubber tank
C
Both A and B
D
None of the above
(Correct Answer)
Detailed Explanation & Context
If inert gas plant oxygen content exceeds 5%, it indicates a system malfunction. The gas should not be vented or recirculated; instead, the system requires immediate investigation and corrective action to maintain safe inerting levels.
Relevant Framework: STCW 2010 Manila Amendments • DG Shipping E-Learning & Exit Exam Standards • Refresher Advanced Fire Fighting (RAFF).
Advertisement
Practice Full RAFF Set 1
Test yourself with 30 interactive questions, live timer, and instant score.