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【简答题】
裳用的基本视图一共有三个,它们的名称分别是()、()、()。
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参考答案:
举一反三
【简答题】TEXT B The prefix Mach is used to describe supersonic speed. It was named for Ernst Mach(1838-1916), a Czech-born Austrian physicist, who contributed to the study of sound. When twice the speed of sou...
【简答题】The drive shaft connects the transmission output shaft to the differential pinion shaft.Since all roads are not perfectly smooth, and the transmission is fixed,the drive shaft has to be flexible to ab...
【单选题】在一个圆柱形的容器内,装有 0.30 mol氮气、0.10 mol氧气和 0.10 mol氦气,当混合气体的总压力为 100 kPa时,氦的分压为
A.
20 kPa
B.
40 kPa
C.
60 kPa
D.
100 KPa
【单选题】During the dock repair, when installing the tail shaft and propeller, who should be on the spot to supervise?
A.
chief engineer
B.
the engineer
C.
captain
D.
any member of the engine department
【单选题】When the tail-shaft is drawn from a vessel in dry-dock, which of the following inspections is required to be carried out?
A.
The propeller hub taper and shaft keyway should be inspected for cracks or corrosion
B.
The stern bearing alignment with the stern frame should be checked
C.
The interior of the stern tube should be inspected for leaks
D.
The shaft liner should be removed and inspected for cracks
【单选题】在一个圆柱形的容器内,装有0.30 mol氮气、0.10 mol氧气和0.10 mol氦气,当混合气体的总压力为100 kPa时,氦的分压为
A.
20 kPa
B.
40 kPa
C.
60 kPa
D.
100 kPa
【判断题】用AutoCAD绘图时,其绘图区的范围是无限的。
A.
正确
B.
错误
【单选题】合适的麦芽汁成分主要应使麦芽中能够保持酵母营养所必需的
A.
含水量
B.
含气量
C.
含氧量
D.
含氮量
【单选题】When flight Mach number exceeds drag divergence Mach number, the total drag of airplane will _______ .
A.
increase
B.
decrease
C.
remain the same
【单选题】During the dock repair, when installing the tail shaft and propeller, ____ should be on the spot for supervising
A.
chief engineer
B.
engineer
C.
captain
D.
any member of the engine department
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