航海英语航海图书资料章节练习(2018.04.07)

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
A mean sun is used as the reference for solar time for three reasons. Which reason is NOT a cause for use of a mean sun?（）
A.The motion of the apparent sun is along the ecliptic
B.Measurement of time is along the celestial equator
C.The speed of the Earth's revolution is not constant
D.There are variations in the Earth's rotational speed
单项选择题
On a nautical chart，the inner ring of a compass rose indicates（）.
A.true directions
B.compass error
C.deviation
D.magnetic directions
单项选择题
On no account （）proceed without pilot in this water area．
A.the vessel
B.shall not vessel
C.the vessel should
D.should vessel
单项选择题
A chart position enclosed by a square is a（n）（）.
A.fix
B.estimated position
C.dead reckoning position
D.running fix
单项选择题
Positions read from this chart should，to agree with chart 3949，be （） 0.03 minutes Northwards and 0.22 minutes Westwards．
A.shifted
B.removed
C.changed
D.altered
单项选择题
A Mercator chart is a （）.
A.cylindrical projection
B.simple conic projection
C.polyconic projection
D.rectangular projection
单项选择题
Charted depths are decreased（）2 meters．
A.in
B.on
C.with
D.by
单项选择题
Gangway （）with pilot ladder on my starboard side．
A.being rigged combined
B.is rigged combining
C.rigs combining
D.is rigged combined
单项选择题
A psychrometer has two thermometers that provide dry bulb and wet bulb temperatures. By comparing these two temperature readings with a set of tables you can determine the （）.
A.atmospheric pressure
B.wind speed
C.relative humidity and dew point
D.wind chill factor