GASCO Exit Exam • Set 4 Question 24 of 30
Which of the following is not part of an arrangement in fiber optical system to accommodate 'fail safe' ESDS system
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Direct Answer
Option C: The optical cables are protected by double layer of insulations
ESDS automatic fusible thermal elements are designed to melt between 98°C and 104°C during a fire, depressurizing the pneumatic loop and tripping the emergency shutdown system.
All Options
A
The photo coupler of the input side are duplicated
B
Frequency checking sides of O/P are duplicated
C
The optical cables are protected by double layer of insulations
(Correct Answer)
D
The output circuits has double output contacts
Detailed Explanation & Context
ESDS automatic fusible thermal elements are designed to melt between 98°C and 104°C during a fire, depressurizing the pneumatic loop and tripping the emergency shutdown system.
Relevant Framework: STCW 2010 Manila Amendments • DG Shipping E-Learning & Exit Exam Standards • Advanced Training for Liquefied Gas Tanker Cargo Operations (GASCO).
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