PST Exit Exam • Set 4 Question 5 of 30
The battery used in EPIRBs, SARTs, and portable VHF radios is a:
✓
Direct Answer
Option D: 12V Primary lithium battery
Primary lithium batteries are used in GMDSS survival equipment because they provide a high energy density, long shelf life, and stable voltage output in extreme temperatures, which is essential for emergency gear.
All Options
A
6V Alkaline battery
B
12V Lead-acid battery
C
12V Ni-Cad battery
D
12V Primary lithium battery
(Correct Answer)
Detailed Explanation & Context
Primary lithium batteries are used in GMDSS survival equipment because they provide a high energy density, long shelf life, and stable voltage output in extreme temperatures, which is essential for emergency gear.
Relevant Framework: STCW 2010 Manila Amendments • DG Shipping E-Learning & Exit Exam Standards • Personal Survival Techniques (PST).
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