Inert gas systems fitted on tank vessels must be fitted with an alarm to give an audible and visual warning when the oxygen content of the inert gas exceeds __________.
A
4% by volume
B
8% by volume
C
12% by volume
D
16% by volume
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Question 1 / 205eccef9dbacbc34ba4d45cf9
Question 1 of 205eccef9dbacbc34ba4d45cf9
Inert gas systems fitted on tank vessels must be fitted with an alarm to give an audible and visual warning when the oxygen content of the inert gas exceeds __________.
Inert gas systems fitted on tank vessels must be fitted with an alarm to give an audible and visual warning when the oxygen content of the inert gas exceeds __________.