TASCO Exit Exam • Set 5 Question 19 of 30
A gas venting system on a tanker that has gas lines in each tank connected to a common gas main running the full length of the ship is called:
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Direct Answer
Option C: common-main system
In a common-main system, multiple cargo tanks are connected to a single, shared gas main running the length of the ship, allowing for efficient venting or inerting of the cargo tank atmosphere.
All Options
A
gas-main system
B
An independent system
C
common-main system
(Correct Answer)
D
vent-main system
Detailed Explanation & Context
In a common-main system, multiple cargo tanks are connected to a single, shared gas main running the length of the ship, allowing for efficient venting or inerting of the cargo tank atmosphere.
Relevant Framework: STCW 2010 Manila Amendments • DG Shipping E-Learning & Exit Exam Standards • Advanced Training for Oil Tanker Cargo Operations (TASCO).
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