海船海员证2022精编在线题库(09月15日)

1. [单选题]当互见的船舶鸣放"二长二短"笛声表示船舶何种动态？

A. 本船正在向右转向
B. 本船正在向左转向
C. 本船请求从前船右舷追越
D. 本船请求从前船左舷追越

2. [单选题]急性胆囊炎胆石症解痉止痛时下列哪种用药是错误的？

A. 单独使用吗啡
B. 口含硝酸甘油片^{(nitroglycerin tablets)}
C. 口服颠茄片
D. 肌注阿托品

3. [单选题]干度x=0的工质是指( )。

A. 未饱和液
B. 饱和液
C. 湿饱和液
D. 过热蒸汽

4. [单选题]In the absence of external forces，adding weight on one side of a floating vessel causes the vessel to ().

A. heel until the angle of loll is reached
B. list until the center of buoyancy is aligned vertically with the center of gravity
C. trim to the side opposite TCG until all moments are equal
D. decrease draft at the center of flotation

5. [单选题]Re-circulating the fuel when the engine is stopped can______.①keep the fuel at the correct viscosity ②cool the injector

A. ①
B. ②
C. ①②
D. neither ① nor ②

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