Tankers carrying cryogenic cargoes, such as LNG, are fitted with gas detector systems alarmed at 30% of the lower explosive limit. If the gas detecto...

Question

Tankers carrying cryogenic cargoes, such as LNG, are fitted with gas detector systems alarmed at 30% of the lower explosive limit.  If the gas detector alarms sounds, this means __________ .

Accepted Answer

a flammable vapor concentration exists at the sample point, but it is too lean to burn

Engine 2014: Engineering Safety

Tankers carrying cryogenic cargoes, such as LNG, are fitted with gas detector systems alarmed at 30% of the lower explosive limit. If the gas detector alarms sounds, this means __________ .

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