1. [单选题]船舶在海上航行遇到风浪之后产生谐摇,为减轻横摇可采取的措施包括( )。Ⅰ.调整船的横摇周期;
A. Ⅱ.调整吃水差;
B. Ⅲ,调整航速;
C. Ⅳ.调整航向。
D. Ⅰ~Ⅲ
E. Ⅰ、Ⅱ、Ⅳ
F. Ⅱ~Ⅳ
G. Ⅰ、Ⅲ、Ⅳ
2. [单选题]下列_______说法正确_。
A. 如后船对本船是否在追越前船有任何怀疑,应保速保向,并继续进行判断是否在追越
B. 追越形成后,其后两船间的方位变化可能使追越船变为直航船
C. A和B均正确
D. A和B均不正确
3. [单选题]In an auxiliary diesel engine bypass type lubricating oil system, the main lube oil pump forces_______ .
A. all of the oil used by the engine through a filter
B. some of the oil used by the engine through a filter
C. some of the oil used by the engine through a centrifuge
D. all of the oil used by the engine through a centrifuge
4. [单选题]孔和轴的公差带相互交叠的是( )配合。
A. 间隙
B. 过渡
C. 过盈
D. 都不对
5. [单选题]肌肉持续性强直性痉挛,角弓反张,呈“苦笑”面容,是那种病的典型症状______。
A. 心肌梗塞
B. 破伤风(tetanus)
C. 狂犬病
D. 爱滋病
6. [单选题]对疑似肾绞痛病人采用下列哪种止痛是错误的?
A. 肌注阿托品
B. 口服颠茄片
C. 肌注度冷丁
D. 针灸疗法
7. [单选题]以下说法中不正确的是:I、当任意一船在正前方发现他船前后桅灯成一直线,“对遇局面”规则开始适用;II当任意一船在正前方发现他船两盏红、绿舷灯时,“对遇局面”规则开始适用;III、当任一机动船(motor vessel)在正前方发现他船前后桅灯成一直线或两盏红、绿舷灯,“对遇局面”规则开始适用;IV当任一机动船(motor vessel)在正前方只发现他船前后桅灯成一直线或两盏红、绿舷灯时,“对遇局面”规则开始适用
A. I
B. I、II
C. I、II、III
D. I、II、III、IV
8. [单选题]大风浪中施放救生艇(boat)、救助艇应放哪一舷的艇?()
A. 上风舷
B. 下风舷
C. 随便
9. [单选题]降落设备制动器要求的技术性能是()
A. 在救生艇(boat)满载时回收过程能刹住并可靠系留
B. 在救生艇(boat)空载时回收过程能刹住并可靠系留
C. 满载的救生艇(boat)在降放时能够刹住并可靠系留
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