1. [单选题]My ship will arrive ________Port Said ________ Sundays
A. at/on
B. in/at
C. on/by
D. to/in
2. [单选题]规范中规定舱底水管应在船舶横倾_________以内把舱底水排干
A. 5?
B. 10?
C. 15
D. 20
3. [单选题]One of the factors limiting the amount of toad which can be put on a modem marine diesel engine is the_______.
A. governor sensitivity
B. exhaust temperature
C. fuel injection pressure
D. speed of the cam shaft
4. [单选题]1kW·h=( )。
A. 3.6x106J
B. 2.65x106J
C. 1.36HP
D. 632.5kcal
5. [单选题]有毒液体物质残余物排放时，对于自航船船速要求是?()
A. 至少7kn
B. 至少4kn
C. 少于7kn
6. [单选题]救助船向难船进行救助时，接近难船从：
A. 横风
B. 下风
C. 上风
D. 都可以
7. [单选题]落水者(fall in water person)低温水中应采取：
A. 游泳取暖
B. 采用HELP姿势
C. 大声呼喊分散注意力
D. 解脱衣服
8. [单选题]惰性气体系统以任何所需的流速想液货舱输送惰性气体时，在惰性气体供气管内的含氧量（按容积计算）应不超过_________
A. 2％
B. 3％
C. 5％
D. 10％
9. [单选题]开式旋涡泵在排出端采用开式流道并附加辅助闭式流道时，其辅助闭式流道的作用主要是为了( )
A. 提高泵的效率
B. 保持自吸性能
C. 改善吸入性能
D. 提高泵的扬程
10. [单选题]In a diesel engine closed freshwater cooling system, the amount of coolant flowing through the heat exchanger is controlled by the __.
A. suction pressure regulator
B. thermostatic bypass valve
C. sea water temperature
D. water level in the expansion tank
