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 alarm sounds, this means __________.
A
a flammable vapor concentration exists at the sample point, but it is too lean to burn
B
an explosion is about to take place
C
the detector sensor is sampling a space where the cargo vapor concentration is 30 percent by volume
D
the detector is sampling a space in which 30 percent of the atmosphere is explosive
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Question 1 / 2066636ee728f7522a1c518bb7
Question 1 of 2066636ee728f7522a1c518bb7
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 alarm sounds, this means __________.
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 alarm sounds, this means __________.