
【名词&注释】
二氧化碳、灭火剂(fire extinguishing agent)、救生艇(boat)、一点儿(iota)
[单选题]客船海水泵及自动报警和探火系统应有不少于________动力供应源
A. 1套
B. 2套
C. 3套
D. 4套
查看答案&解析
举一反三:
[单选题]救生艇基本结构中的舭龙骨又称扶正扶手,其主要用途之一是()。
A. 装饰作用
B. 保护艇壳作用
C. 便于水中人员利用其登上救生艇
[单选题]在灭火时,可以与1211灭火剂同时使用的有______。
A. 泡沫
B. 二氧化碳
C. 干粉
D. 以上都对
[单选题]It’s getting dark. Please ________ the cargo lights.
A. turn away
B. turn off
C. turn on
D. turn in
[单选题]The cooling water of the diesel engine should be treated with chemical, because it contains .
A. alkali
B. acidity
C. salinity
D. impurity
[单选题]You should keep national flag(飘扬)____.
A. flew
B. flown
C. flying
D. flies
[单选题]Electrical supply is always needed even if only for lighting so after a ship goes into service it is extremely rare for the main bus-bars to be dead, it therefore follows that the bus-bars are continuously alive the life of the ship.
A. along
B. with
C. throughout
D. for
[单选题]遇险人员登上艇筏后组织全体人中轮流值班的时间是:
A. 8小时
B. 12小时
C. 24小时
[单选题]lower a little
A. 升一点儿(iota)
B. 把定
C. 调整
D. 降一点儿(iota)
[单选题]救生艇上应以经久的明显字迹标明()
A. 建造材料
B. 乘员定额
C. 机器型号
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