When measuring the oxygen content of the cargo tanks prior to loading cargoes requiring vapor recovery, check it __________.
A
one meter from the tank bottom and one meter below the tank top
B
one half the ullage of the tank and one meter below the tank top
C
one half the ullage of the tank and one meter above the tank bottom
D
at three meter intervals from the tank top to the bottom
E
İlgili Sorular
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