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20. You want to enter a gas-free cargo tank on oil tanker and atmospheric condition of cargo tank
was checked prior to entering. What hydrocarbon vapor concentration you should get to ensure
safety?
(A) Less than 35% LFL (Lower Flammable Limit).
(B) Less than 10% LFL (Lower Flammable Limit).
(C) Less than 5% LFL (Lower Flammable Limit).
(D) Less than 1% LFL (Lower Flammable Limit).
答案：登入後查看
統計： A(101), B(159), C(133), D(324), E(0) #2523270
統計： A(101), B(159), C(133), D(324), E(0) #2523270
詳解 (共 2 筆)
ouzo
#6315684
FSS code:
Gas-free is a condition in a tank where the content of hydrocarbon or other flammable vapour is less than 1% of the lower flammable limit (LFL), the oxygen content is at least 21%, and no toxic gases are present.
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氧氣含量也有考過
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來源: RESOLUTION MSC.367(93)
(adopted on 22 May 2014)
AMENDMENTS TO THE INTERNATIONAL CODE
FOR FIRE SAFETY SYSTEMS (FSS CODE)
(adopted on 22 May 2014)
AMENDMENTS TO THE INTERNATIONAL CODE
FOR FIRE SAFETY SYSTEMS (FSS CODE)
2
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