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【单选题】
下列哪一项属于新媒介A.
手机媒介
B.
户外媒介
C.
平面媒介
D.
电波媒介
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反馈参考答案：
举一反三
【简答题】请根据以下内容回答 90～91 题： 第 90 题 于强壮保健的要穴是（ ）
【单选题】The purpose of the deck seal in an inert gas system is to prevent（）.
A.
flammable vapors from entering machinery space
B.
flue gas escaping to atmosphere
C.
inert gas escaping to atmosphere
D.
air entering inert gas system
【单选题】SOLAS regulations require that the inert gas system shall be capable of delivering inert gas with an oxygen content of not more than what percentage?
A.
5%
B.
8%
C.
6%
D.
3%
【单选题】The deck water seal of the inert gas system ______．
A.
Cools the inert gas and prevents soot from entering the cargo tanks
B.
Acts as an emergency shutdown when inlet pressures exceed the safe working pressure
C.
Prevents the backflow of hydrocarbon gasses into nonhazardous areas
D.
Relieves sudden large overpressures in the system
【单选题】What is NOT a function of the scrubber of an inert gas system ________．
A.
Cool the inert gas
B.
Remove particulate matter like soot
C.
Maintain pressure in the tanks
D.
Remove chemical impurities
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