航海英语海洋法基本知识章节练习(2019.04.30)

单项选择题
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
单项选择题
The use of sinking and dispersing chemical agents for removal of surface oil is（）.
A.the most common method used in the United States
B.too expensive for common use
C.generally safe to sea life
D.authorized only with prior approval of the Federal On-Scene Coordinator
单项选择题
What generally occurs when the land is cooler than the nearby water? （）
A.A land breeze
B.A sea breeze
C.A norther
D.A prevailing westerly
单项选择题
What must be carried out in order to launch and inflate an inflatable liferaft? （）
A.Pull on the hydrostatic release，pull on the sea painter
B.Push on the hydrostatic release，pull on the sea painter
C.Push on the hydrostatic release，push on the sea painter
D.Pull on the hydrostatic release，push on the sea painter
单项选择题
The boom stops on a pedestal crane prevent the boom from（）.
A.being raised too high
B.swinging at sea
C.overloading when not in use
D.being lowered too low
单项选择题
How should the lifeboat sea painter be rigged? （）
A.Spliced into the ring on the stem post
B.Secured by a toggle around the outboard side of a forward thwart
C.Secured to the inboard side of a forward thwart and led inboard of the falls
D.Secured by a toggle to the stem post and led outboard of the falls
单项选择题
In polar regions you should NOT expect to see（）.
A.mirage effects
B.sea smoke
C.extensive snowfall
D.false horizons
单项选择题
A heavy steel device that is set on the sea floor and used as a drilling template in offshore drilling operations is called a（）.
A.temporary guide base
B.permanent guide base
C.guide frame
D.foundation template
单项选择题
The sea painter of a rescue boat should be led（）.
A.forward and outboard of all obstructions
B.forward and inboard of all obstructions
C.up and down from the main deck
D.to the foremost point on the vessel
单项选择题
Mean low water is the average height of（）.
A.the surface of the sea
B.high waters and low waters
C.all low waters
D.the lower of the two daily low tides