the tank ceiling
the tank top bushing
the thievage mark
an above deck datum
第1题：
When navigating in high latitudes and using a chart based on a Lambert conformal projection，______.
A.a straight line drawn on the chart approximates a great circle
B.the chart should not be used outside of the standard parallels
C.the course angle is measured at the mid-longitude of the track line
D.distance cannot be measured directly from the chart
第2题：
The dangerous semicircle of a typhoon in the Southern Hemisphere is that area ______.
A.measured from due south clockwise 180°
B.measured from due south counterclockwise 180°
C.to the left of the storm's track
D.ahead of the typhoon measured from the storm's track to 90°on each side
第3题：
The uncertainty of an event is measured by its probability of occurrence and is inversely proportional to that.The more uncertain an event is, the more inforamtion is required to resovle uncertainty of that event.The amount of information is measured in__(73)__. （73）
A.possibility
B.bits
C.bps
D.probability
第4题：
The uncertainty of an event is measured by its probability of occurrence and is inversely proportional to that. The more uncertain an event is. The more information is required to resolve uncertainty of that event. The amount of information is measured in （）
第5题：
When referring to quantity of barite in a P-tank，ullage is the ______．
A.Distance of the barite surface above the tank bottom
B.Percentage of barite in the tank
C.Distance of the barite surface below the tank cover
D.Total weight of barite in UPC（ullages per centimeter）
第6题：
The dangerous semicircle of a hurricane in the Northern Hemisphere is that area of the storm ______.
A.to the right of the storm's track
B.measured from true north clockwise to 180°T
C.measured from true north counterclockwise to 180°T
D.between the ship's heading and the bearing to the eye
第7题：
Normal pool elevation is the height in feet of the section of river above a dam. This height is measured from ______.
A.low steel on the Huey P. Long Bridge
B.mean sea level
C.the local water table
D.the minimum dam control level
第8题：
The height of a light is measured from which reference plane?
A.Mean low water
B.Mean high water
C.Average water level
D.Geographical sea level
第9题：
______:the vertical distance measured on the vessel’s side amidships from the load water line to the upper side of the freeboard deck or a point corresponding to it.
A.Buoyancy
B.Freeboard
C.Draft
D.Displacement
第10题：
Definition of Length：（）