航海英语航海学基本知识章节练习(2017.10.10)

单项选择题
A parallel of latitude other than the equator is a（）.
A.great circle
B.loxodromic curve
C.small circle
D.gnomonic curve
单项选择题
How is the intensity of a light expressed in the Light Lists?（）.
A.Luminous range
B.Geographic range
C.Nominal range
D.Meteorological range
单项选择题
（）refers to the angle between true North and the heading line of the ship.
A.True position
B.True meridian
C.True course
D.True bearing
单项选择题
An orange and white buoy marking a danger area will have what symbol on it?（）
A.Open-faced diamond
B.Diamond with a cross
C.Circle
D.Square
单项选择题
A lighthouse can be identified by its（）.
A.painted color
B.light color and phase characteristic
C.type of structure
D.All of the above
单项选择题
A plane perpendicular to the polar axis will never form what line on the Earth’s surface? （）
A.Great circle
B.Equator
C.Small circle
D.Meridian
单项选择题
A plane that cuts the Earth’s surface and passes through the poles will always form（）.
A.the equator
B.a loxodromic curve
C.a small circle
D.a meridian
单项选择题
Branford reef is（）.
A.a hard sand shoal marked with a light
B.completely submerged at all stages of the tide
C.surrounded by rocks awash at low water spring tides
D.a small，low，sandy islet surrounded by shoal water
单项选择题
From your position you observe a rotating white and green light to the north. This light is most likely（）.
A.from a submarine on the surface
B.the light at Southeast Point
C.at an airport
D.on a coastal patrol vessel
单项选择题
A structure，usually made of stone，or cement pilings，which extends from the bank at approximately right angles to the current is called a（）.
A.dike
B.revetment
C.cutoff
D.crib