GSK Exit Exam • Set 7 Question 15 of 30
For entry in any enclosed space the oxygen content in the comchapterment should be
✓
Direct Answer
Option C: 0.21
For safe entry into any enclosed space, the oxygen content must be within the normal atmospheric range, which is approximately 21% (0.21). Levels below this can be dangerous due to lack of oxygen.
All Options
A
0.19
B
0.16
C
0.21
(Correct Answer)
D
0.18
Detailed Explanation & Context
For safe entry into any enclosed space, the oxygen content must be within the normal atmospheric range, which is approximately 21% (0.21). Levels below this can be dangerous due to lack of oxygen.
Relevant Framework: STCW 2010 Manila Amendments • DG Shipping E-Learning & Exit Exam Standards • General Ship Knowledge (GSK).
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