Question 52Safety & Environmental - Assistant Engineer
70% to passSpan gas is used aboard liquefied natural gas carriers to _______________.
Aodorize the cargo
Binert the barrier spaces
Ccalibrate the gas leak detectors
Ddetect leaks in cargo piping
AI Explanation
The correct answer is C) calibrate the gas leak detectors. Span gas is a known concentration of gas used to calibrate and test the accuracy of gas detection equipment aboard liquefied natural gas (LNG) carriers. This is necessary to ensure the proper functioning of the gas leak detectors, which are critical safety devices on these vessels. The other answer choices are incorrect because they do not accurately describe the primary purpose of using span gas on LNG carriers.
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