TASCO Exit Exam • Set 3 Question 28 of 30
What is the maximum reliable shelf life of a filter gas mask canister if the seal is unbroken?
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Direct Answer
Option B: 5 years from the date of manufacture
The shelf life of filter canisters is limited by the degradation of the absorbent materials over time. Most manufacturers stipulate a 5-year maximum shelf life for sealed canisters to guarantee integrity.
All Options
A
1 year from the date of manufacture
B
5 years from the date of manufacture
(Correct Answer)
C
7 years from the date of manufacture
D
3 years from the date of manufacture
Detailed Explanation & Context
The shelf life of filter canisters is limited by the degradation of the absorbent materials over time. Most manufacturers stipulate a 5-year maximum shelf life for sealed canisters to guarantee integrity.
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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