Deck: Deck General

1. A the introduction of inert gas into a gas free tank with the objective of reducing the oxygen content to below 8% by volume
2. B the introduction of nitrogen gas into a tank with the objective of reducing the oxygen content to below 8% by volume
3. C the introduction of inert gas into a cargo tank during cargo discharge operations to replace the volume of discharged cargo
4. D the introduction of oxygen into a gas free tank prior to entry

Tip: press A-D to answer