OCTCO/OCTF Exit Exam • Set 2 Question 3 of 30
What safety feature is mandatory on cargo pump room ventilation systems?
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Direct Answer
Option B: Continuous extraction ventilation (at least 20 air changes per hour) under negative pressure
SOLAS and ISGOTT require continuous extraction ventilation delivering at least 20 air changes per hour under negative pressure to prevent hazardous hydrocarbon gas accumulation within pump rooms.
All Options
A
Air recirculation
B
Continuous extraction ventilation (at least 20 air changes per hour) under negative pressure
(Correct Answer)
C
Small fan
D
No ventilation
Detailed Explanation & Context
SOLAS and ISGOTT require continuous extraction ventilation delivering at least 20 air changes per hour under negative pressure to prevent hazardous hydrocarbon gas accumulation within pump rooms.
Relevant Framework: STCW 2010 Manila Amendments • DG Shipping E-Learning & Exit Exam Standards • Oil and Chemical Tanker Cargo Operations (OCTCO/OCTF).
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