航海英语航路指南章节练习(2017.09.13)

单项选择题
A vessel is entering port A for the first time and has a Pilot conning the vessel. The Master is unsure that the Pilot is taking sufficient action to prevent a collision. What should the Master do（）.
A.Nothing; The Pilot is required by law and is solely responsible for the safety of the vessel
B.State his concerns to the Pilot but do not interfere with the handling of the vessel
C.Direct the Pilot to stop the vessel and anchor if necessary until the situation clears
D.Recommend an alternative action and if not followed relieve the Pilot
单项选择题
Clearance gauges at bridges indicate （）.
A.the height of the tide
B.depth of water under the bridge
C.charted vertical clearance at mean low water
D.distance from the water to low steel of the bridge
单项选择题
The distance from the still water level (corrected for tides and storm surge) to the bottom of the hull of a ship is the（）.
A.air gap
B.freeboard
C.penetration
D.water depth
单项选择题
The Earth has the shape of a(n) （）.
A.sphere
B.oblate spheroid
C.spheroid of revolution
D.oblate eggoid
单项选择题
The Sailing Directions contain information on （）.
A.required navigation lights
B.lifesaving equipment standards
C.casualty reporting procedures
D.currents in various locations
单项选择题
On a voyage from Halifax,N.S.,to Dakar,West Africa,the Canary Current will （）.
A.set the vessel to the left
B.set the vessel to the right
C.offer resistance in the form of a head current
D.furnish additional thrust in the form of a fair or following current
单项选择题
Every new supplement to the Sailing Directions （） the previous one．
A.enforces
B.cancels
C.corrects
D.replenishes
单项选择题
The distance between any two meridians measured along a parallel of latitude （）.
A.increases in north latitude and decreases in south latitude
B.decreases as DLO increases
C.increases with increased latitude
D.decreases with increased latitude
单项选择题
The height of eye correction is smaller than geometrical dip because of （）.
A. the angle between the horizontal and the line of sight to the visible horizon
B. index error
C. parallax
D. terrestrial refraction
单项选择题
A navigator fixing a vessel’s position by radar （）.
A.should never use radar bearings
B.should only use radar bearings when the range exceeds the distance to the horizon
C.can use radar information from one object to fix the position
D.must use information from targets forward of the beam