Question 4 of 30
Oxygen Analyzer: what is your key finding in measuring oxygen level?
A
Portable oxygen analyzers are normally used to determine whether the atmosphere inside an enclosed space (cargo tank for example) may be considered fully inerted or safe for entry.
B
Fixed oxygen analyzers can be used for monitoring the oxygen content of the boiler uptakes and the inert gas main.
C
The common types of oxygen analyzers in use are, Paramagnetic sensors and Electrochemical sensors.
D
Oxygen is strongly paramagnetic whereas most other common gases are not.
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Answer & Explanation
The correct answer is Option A: Portable oxygen analyzers are normally used to determine whether the atmosphere inside an enclosed space (cargo tank for example) may be considered fully inerted or safe for entry..
The primary objective of using a portable oxygen analyzer on a tanker is to ensure the atmosphere is safe for human entry (21% O2) or to verify the efficacy of inert gas systems to prevent combustion.