By filling the ullage space in a cargo tank with an inert gas, the oxygen content can be reduced to a level at which the atmosphere will no longer support combustion of flammable vapor. This is known as_________________.(1.0)
By filling the ullage space in a cargo tank with an inert gas, the oxygen content can be reduced to a level at which the atmosphere will no longer support combustion of flammable vapor. This is known as_________________.(1.0)
A.crude oil washing
B.inerting a tank
C.gas freeing
D.cargo loading
