[单选题]Which of the following problems can occur if you continually fail to drain off condensate from a starting air receiver?
正确答案 :A
Corrosion and eventual failure of the tank
[单选题]Which radio equipment is not necessary for the ships sailing in the sea area A2?
正确答案 :D
VHF EPIRB
[单选题]The SOLAS Convention in its successive forms is generally regarded as the most important of all international treaties concerning the ______of merchant ships.
正确答案 :C
safety
[单选题]When placed in a magnetic field, which of the materials listed will maintain the highest permeability?( )
正确答案 :C
Soft iron
解析:解析:magnetlc:磁的;permeability:渗透;Bakelite:电木;aluminum:铝
[单选题]关于液压系统的油箱下列说法错误的是( )。
正确答案 :C
容积为泵每分钟排量的1~2倍,以利散热和分离气体与杂质
[单选题]有关钢材类货物的海运特性,下列表述错误的是( )。
正确答案 :D
钢板因耐压性大而不怕重压
[单选题]正规瞭望应包括________。
正确答案 :C
A和B
[单选题]胸膜炎临床表现是______。
正确答案 :D
以上都是
[单选题]MARPOL公约附则II对散装化学品物质分类是根据其?()
正确答案 :B
污染破坏性
[单选题]根据回转机构液压系统的负荷特点,以下说法中错误的是( )。
正确答案 :D
两条主油路之一必须设限速阀件
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