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单选题
根据世界四大柴油机制造商的统计资料，按导致主机故障原因分类，发生故障比例由大到小排列是（）。
A
材料问题、自然磨损、污损、操作问题
B
污损、材料问题、自然磨损、操作问题
C
材料问题、污损、操作问题、自然磨损
D
自然磨损、材料问题、污损、操作问题
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考题
单选题A vessel proceeding along the course of a narrow channel shall keep as near to the outer limitof the channel which lies on her starboard side as it is safe and practicable.Which one of the followings does the statement express?（）.A
A vessel shall proceed near the other vessel on her starboard side on the narrow channel since it is safe and practicableB
A vessel shall avoid proceeding near the starboard outer limit of a narrow channel as long as it is safe and practicableC
A vessel shall avoid proceeding along the channel because it is not safe and practicableD
A vessel shall proceed near the starboard outer limit of a narrow channel to the degree in which it is safe and practicable
考题
单选题动力设备工况检测的方法一般有（）。 Ⅰ．温度测量方法及压力测量方法； Ⅱ．转速测量方法； Ⅲ．流量测量方法； Ⅳ．功率测量方法及扭矩测量方法； Ⅴ．振动测量方法； Ⅵ．排放物测量方法； Ⅶ．集中测量方法； Ⅷ．电流测量方法。A
除Ⅴ其他都是B
除Ⅴ和Ⅷ其他都是C
除Ⅷ其他都是D
除Ⅶ和Ⅷ其他都是
考题
单选题An advantage of an ABC dry chemical over a carbon dioxide extinguisher is（）.A
lack of toxicityB
the multipurpose extinguishing abilityC
burn-back protectionD
cooling ability
考题
单选题The first indications a mariner will have of the approach of a warm front will be （）.A
large cumulonimbus (thunderclouds) building upB
high cirrus clouds gradually changing to cirrostratus and then to altostratusC
fog caused by the warm air passing over the cooler waterD
low dark clouds accompanied by intermittent rain
考题
单选题Variation is the angular measurement between（）.A
compass north and magnetic northB
compass north and true northC
magnetic meridian and the geographic meridianD
your vessel's heading and the magnetic meridian
考题
单选题下列有关船员在船受伤或患病应享受的待遇，（）与IL0147号相关国际公约对船东责任所作的规定不符。 ①负责船员从受伤或患病时起至少6个月的医疗或保养费； ②如船员因伤或病丧失工作能力，船东应支付从受伤或患病时起至少6个月的全部或部分工资； ③船东应负责船员因病或伤离船的遣返费； ④船员任职期间在船上或岸上死亡，除医疗和保养费外船东还应支付埋葬费。A
①③B
③④C
②④D
①②
考题
单选题The NCC is located in the（）.A
IMO Headquarters in LondonB
Inmarsat Headquarters building in LondonC
Western European Maritime OrganizationD
International Maritime Safety Committee
考题
单选题互见中，一艘从事捕鱼的船舶与其右舷一艘驶帆的船舶相遇致有构成碰撞危险，则：（）A
两船负有同等的避让责任和义务B
从事捕鱼的船舶应给帆船让路C
帆船应给从事捕鱼的船舶让路D
帆船不应妨碍从事捕鱼的船舶的航行
考题
单选题船舶紧急倒车过程中螺旋桨的水涡轮工况阶段为（）。A
从主机停油至转速降为0的阶段B
从主机停油至转矩降为零的阶段C
从转矩降为0至转速为0的阶段D
从转矩降为0至出现最大负转矩阶段
考题
单选题如果远处一个小岛，左边是平缓的沙滩岸线，右边是陡岸，在雷达定位时，应该选用（）。A
左边岸线B
右边岸线C
A或B均可D
以上均不对
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