According to 46 CFR Part 147, a cylinder used for storing CO₂ in a fixed firefighting system must be hydrostatically retested and restamped every __________.
A
once in every calendar year
B
5 years
C
8 years
D
12 years
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Question 1 / 205eccef9ebacbc34ba4d4649c
Question 1 of 205eccef9ebacbc34ba4d4649c
According to 46 CFR Part 147, a cylinder used for storing CO₂ in a fixed firefighting system must be hydrostatically retested and restamped every __________.
According to 46 CFR Part 147, a cylinder used for storing CO₂ in a fixed firefighting system must be hydrostatically retested and restamped every __________.