1. [单选题]Which of the following problems can occur if you continually fail to drain off condensate from a starting air receiver?
A. Corrosion and eventual failure of the tank
B. Gumming of the tank relief valves
C. Immediate failure of components downstream of the compressed air system
D. Boiling of the water oil mixture as pressure is reduced
2. [单选题]Which radio equipment is not necessary for the ships sailing in the sea area A2?
A. MF DSC
B. VHF radio telephone
C. VHF DSC
D. VHF EPIRB
3. [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.
A. pollution
B. economization
C. safety
D. efficiency
4. [单选题]When placed in a magnetic field, which of the materials listed will maintain the highest permeability?( )
A. Glass
B. Bakelite
C. Soft iron
D. Aluminum
5. [单选题]关于液压系统的油箱下列说法错误的是( )。
A. 内壁的防锈涂层应能与油相容
B. 内有隔板高至油面2/3高度
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
D. 底部宜成凹型，便于放油
6. [单选题]有关钢材类货物的海运特性，下列表述错误的是( )。
A. 建筑用钢筋等怕潮生锈
B. 有些钢构件的积载因数较大
C. 轿车用冷扎卷钢怕卷边和生锈
D. 钢板因耐压性(resistance to pressure)大而不怕重压
7. [单选题]正规瞭望应包括________。
A. 听觉瞭望、雷达观测和雷达标绘
B. 对船舶现有设备和仪器的有效使用
C. A和B
D. A和B均不对
8. [单选题]胸膜炎临床表现是______。
A. 突然咳嗽和剧烈的胸痛
B. 中等程度发烧
C. 呼吸和咳嗽可使胸痛加重
D. 以上都是
9. [单选题]MARPOL公约附则II对散装化学品物质分类是根据其?()
A. 燃烧危险性
B. 污染破坏性(destructive)
C. 化学性质
10. [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( )。
A. 匀速转动(uniform rotation)时工作负荷始终与运动方向相反
B. 启动和停止运动时惯性负荷相对较大
C. 若无船倾斜或风力等影响，液压马达可不用机械制动器制动
D. 两条主油路之一必须设限速阀件
