AFF Exit Exam • Set 3 Question 16 of 30
Control valves of a CO2 system may be located within the protected space when:
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Direct Answer
Option D: there is also a control valve outside
Control valves for CO2 systems in protected spaces are typically located outside. However, if impractical, they may be located inside provided a secondary control valve is also present externally for safe manual operation during an emergency.
All Options
A
it is impractical to locate them outside
B
an automatic heat-sensing trip is installed
C
the CO2 cylinders are also in the space
D
there is also a control valve outside
(Correct Answer)
Detailed Explanation & Context
Control valves for CO2 systems in protected spaces are typically located outside. However, if impractical, they may be located inside provided a secondary control valve is also present externally for safe manual operation during an emergency.
Relevant Framework: STCW 2010 Manila Amendments • DG Shipping E-Learning & Exit Exam Standards • Advanced Fire Fighting (AFF).
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