海船船员2022全套模拟试题216

1. [单选题]The dockers are busy ________ their work

A. with
B. on
C. for
D. by

2. [单选题]An efficient seal between the cylinder block and cylinder heads on many diesel engines is obtained with________.

A. graphite packing
B. sealing compound
C. lubricating oil
D. gaskets

3. [单选题]日光照射消毒，对()杀菌力最强。

A. 霉菌
B. 球菌
C. 酵母菌
D. 杆菌

4. [单选题]统计资料证明，设计废气锅炉排气流速低于( )者几乎都有着火故障。

A. 5m/s
B. 10m/s
C. 15m/s
D. 20m/s

5. [单选题]每只救生圈^(buoy)的构造应能经受从存放位置至_________航行谁先的高度或30m处，取其大者，头落水而不至于损害救生圈^(buoy)或其附件

A. 夏季载重线
B. 最轻载
C. 冬季载重线
D. 最终载

6. [单选题]While inspecting the steering system at sea, you should check for

A. air bubbles in the sight glass
B. any leaks in the system
C. over-travel in the rudder angle indicator
D. lost motion in the rams

7. [单选题]酸碱灭火器灭火是采用______。

A. 冷却法
B. 窒息法
C. A和B
D. 以上都错

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