OCTCO/OCTF Exit Exam • Set 7 Question 26 of 30
IG blowers are to be fitted with inlet and outlet valves in gas line with ___seats?
✓
Direct Answer
Option D: Rubber
Inert gas blower isolating valves in flue gas lines are fitted with resilient rubber or elastomer seats to provide a gas-tight seal against corrosive flue gases.
All Options
A
Copper
B
Aluminum
C
Leather
D
Rubber
(Correct Answer)
Detailed Explanation & Context
Inert gas blower isolating valves in flue gas lines are fitted with resilient rubber or elastomer seats to provide a gas-tight seal against corrosive flue gases.
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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