AFF Exit Exam • Set 4 Question 2 of 30
In a fixed carbon dioxide extinguishing system for a machinery space, designed WITH a stop valve in the line leading to the protected space, the flow of CO2 is established by actuating:
✓
Direct Answer
Option A: two controls
When a fixed CO2 system for a machinery space includes a stop valve in the line to the protected space, its activation requires two controls. One control operates the stop valve, and the second control releases the CO2 from the cylinders.
All Options
A
two controls
(Correct Answer)
B
one control
C
none of the above
D
three controls
Detailed Explanation & Context
When a fixed CO2 system for a machinery space includes a stop valve in the line to the protected space, its activation requires two controls. One control operates the stop valve, and the second control releases the CO2 from the cylinders.
Relevant Framework: STCW 2010 Manila Amendments • DG Shipping E-Learning & Exit Exam Standards • Advanced Fire Fighting (AFF).
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