网友您好， 请在下方输入框内输入要搜索的题目：
题目内容
（请给出正确答案）
单选题
The life jackets on all vessels shall be（）.
A
inspected weekly
B
worn at all times
C
readily available
D
tested yearly
参考答案
参考解析
解析：
暂无解析
更多 “单选题The life jackets on all vessels shall be（）.A inspected weeklyB worn at all timesC readily availableD tested yearly” 相关考题
考题
单选题为避免错误地连续报警，单元组合式报笛系统有：“闭锁控制”功能，该功能常用于（）情形。A
闭锁有故障监视点的参数检测B
关闭有故障检测点的报警指示灯C
分组关闭不运行设备的报警指示灯D
分组闭锁不运行设备的参数检测
考题
单选题Each cylinder is closed at the top by a （）, made of a special heat-resistant steel.A
cylinder linerB
coupling flangeC
cylinder coverD
piston crown
考题
单选题The single letter G，sent by an icebreaker to an assisted vessel，means （）.A
I require a pilotB
Longitude followsC
I am going ahead; follow meD
Do not follow me
考题
单选题A face line is used to（）.A
prevent barge movement in a lockB
secure two barges end-to-endC
secure barges to the towboatD
secure barges side-by-side
考题
单选题雷达定位选择物标时，下述（）说法是不准确的。A
应选择回波稳定，亮而清晰的物标B
应尽量选择近而可靠的物标C
应尽量选择交角好的2～3个物标D
应尽量选择有醒目颜色标记的港区背后高大的烟囱
考题
单选题A head-on situation at night is one in which you see dead ahead a vessel showing（）.A
one sidelightB
one sidelight and a masthead lightC
one sidelight and two masthead lightsD
both sidelights of a vessel and her masthead light(s)
考题
单选题A firebox explosion in an automatically fired auxiliary boiler may be the result of （）A
excessive purging before lighting offB
insufficient trail for ignition periodC
a faulty transformer in the ignition circuitD
insufficient purging before lighting off
考题
单选题轮机长职责范围内的常规工作之一是（）。A
及时汇总轮机部机械动力设备方面的物料、工具及劳保用品的申领计划B
负责轮机部安全设备处于随时可用状态C
厂修期间落实轮机部安全防护措施，组织监修和验收D
在维护保养时协调检修人员并配合调试
考题
单选题When installing rings on a diesel engine piston, you should check the ring（）A
diametrical tensionB
gap clearanceC
radial thicknessD
face thickness
考题
单选题关于船舶的受风面积下列哪些说法是正确的？（） ①同一船舶，船舶压载状态比满载状态受风面积大 ②不同种类的船舶，集装箱船比油船受风面积大 ③不同种类的船舶，散货船比客船受风面积大 ④不同种类的船舶，集装箱船比散货船受风面积大A
①②③④B
①②④C
①②③D
①③④
考题
单选题In a longitudinally-framed ship，the longitudinal frames are held in place and supported by athwartship members called（）.A
floorsB
margin platesC
stringersD
web frames
考题
单选题Which statement concerning GMDSS Radio Operator requirements is FALSE（）.A
Each compulsory vessel must carry at least two licensed GMDSS Radio Operators at all times while at seaB
Each compulsory vessel must carry at least two licensed Radio Operators at all times while at sea and may elect to carry a GMDSS Radio Maintainer as wellC
Communications involving safety of life at sea do not have to be logged as long as the compulsory vessel was not involved in such communicationsD
While at sea，adjustments to，and the maintaining of，GMDSS equipment may be performed by the GMDSS Radio operator as long as the work is supervised by an onboard licensed GMDSS Radio Maintainer
考题
单选题You hear the general alarm bells and ships whistle sound for over 10 secondsTraditionally, this is the signal for （）.A
abandon shipB
dismissal from drillsC
fire and emergencyD
lower lifeboats
考题
单选题When loading or discharging dry mud or cement，crew members should use goggles and（）.A
facial respirator maskB
ear plugsC
rubberized bootsD
fireman's outfit
考题
单选题固定式压力水雾灭火系统喷嘴的数量和布置应确保每分钟没平方米有至少（）L的水量，在其所保护的处所有效切均匀地分布。A
5B
10C
15D
30
热门标签
最新试卷