更多"An obstruction on a helodeck is any"的相关试题:
[单项选择]An obstruction on a helideck is any object that might present a hazard to the（）.
A. rotor blades and landing gear
B. unloading of passengers
C. loading of cargo
D. pilot's visibility
[单项选择]海图中Obstruction或Obstn表示（）
A. 障碍物
B. 礁石
C. 淤泥
D. 珊瑚
[单项选择]A snag or other underwater obstruction may form a（）.
A. V-shaped ripple with the point of the V pointing upstream
B. V-shaped ripple with the point of the V pointing downstream
C. small patch of smooth water on a windy day
D. smoothing out of the vessel's wake
[多项选择]企业MI系统包括（）。
A. 企业制度
B. 企业使命
C. 企业价值观
D. 企业经营思想
E. 企业工作环境
[单项选择]An inconspicuous，partly submerged vessel or object being towed，where the length of tow is 100 meters，shall show（）.
A. yellow lights at each end
B. two red lights in a vertical line
C. a black ball
D. a diamond shape
[单项选择]Which statement describes VRRP object tracking?（）
A. It monitors traffic flow and link utilization.
B. It ensures the best VRRP router is the virtual router master for the group.
C. It causes traffic to dynamically move to higher bandwidth links
D. It thwarts man-in-the-middle attacks.
[单项选择]The object of plugging holes below the waterline on a ship should be to（）.
A. eliminate all water entering the hole
B. only plug holes in machinery or other vital spaces
C. reduce the entry of water as much as possible
D. plug the largest holes first
[单项选择]Any vessel（）any other shall keep out of the way of the vessel（）.
A. overtaking／overtaken
B. being overtake／being overtaken
C. overtaking／being overtaken
D. being overtaking／overtaken
[单项选择]The most probable position of the object of a search at any given time is the（）.
A. datum
B. estimated position
C. search point
D. initial point
[单项选择]A partly submerged vessel or object being towed，which is not readily noticeable，shall show （） .
A. yellow lights at each end
B. two red lights in a vertical line
C. a black ball
D. a diamond shape
[单项选择]Which is an acceptable means of correcting high mica between commutator bars?（）
A. undercutting
B. sanding
C. burnishing
D. filing
[单项选择]The metal，teardrop-shaped object sometimes used within an eyesplice is a（）.
A. grommet
B. reinforcement
C. splice form
D. thimble
[单项选择]When hitting a solid object such as ship or an airplane,the radar waves are reflected back（）they came.
A. in the way
B. the way
C. by the way
D. through the path
[多项选择]以下哪些方法在Object类中定义（）。
A. toString（）
B. equals（Objecto）
C. public static void main（String[]args）
D. System.out.println（）
E. wait（）
[多项选择]影响钛系产品MI的因素有（）。
A. 氢气浓度
B. 共聚单体浓度
C. 反应温度
D. 乙烯浓度
