Question 27 of 30
What is an inert condition?
A
When the oxygen has been eliminated from a tank
B
When the oxygen is 10% by volume in a tank
C
A condition in which the oxygen content throughout the atmosphere of a tank has been reduced to 8% or less by volume by the addition of inert gas.
D
When the oxygen is 21% by volume in a tank
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Answer & Explanation
The correct answer is Option C: A condition in which the oxygen content throughout the atmosphere of a tank has been reduced to 8% or less by volume by the addition of inert gas..
An inert condition is defined as an atmosphere where the oxygen content is reduced to 8% or less by volume, usually by injecting flue gas or nitrogen, making the tank atmosphere non-combustible.