航海英语大风浪中航行章节练习(2017.12.21)

单项选择题
Which statement concerning an automatic towing engine is FALSE? （）
A.It automatically maintains tow line tension
B.It prolongs the life of the hawser by distributing chafing as the hawser is paid out and taken in
C.As tension on the hawser increases，more line is taken in by the automatic towing engine
D.As tension on the hawser decreases，more line is taken in by the automatic towing engine
单项选择题
Which will NOT reduce yawing of a tow?（）
A.Increasing the length of the towing hawser
B.Trimming the tow by the bow
C.Trimming the tow by the stern
D.Drogues put over the stern
单项选择题
A vessel is tide rode when it is（）.
A.carrying extra rudder to compensate for the current
B.necessary to adjust the course steered to allow for the current
C.at anchor and stemming the current
D.being forced off of a pier by the hydraulic effect of the current
单项选择题
By day，you sight a vessel displaying three shapes in a vertical line. The top and bottom shapes are balls，and the middle shape is a diamond. It could be a（）.
A.vessel trolling
B.mineclearing vessel
C.trawler
D.vessel engaged in replenishment at sea
单项选择题
At that time my ship and others were（）within 40 degrees of the compass.
A.yawing
B.moving
C.turning
D.pitching
单项选择题
That half of the hurricane to the right hand side of its track (as you face the same direction that the storm is moving) in the Northern Hemisphere is called the（）.
A.windward side
B.leeward side
C.safe semicircle
D.dangerous semicircle
单项选择题
Which characteristic is a disadvantage of a controllable- pitch propeller as compared to a fixed-pitch propeller? （）
A.Slightly higher fuel consumption
B.Lack of directional control when backing
C.Inefficient at high shaft RPM
D.Some unusual handling characteristics
单项选择题
One method of controlling rats on vessels is by rat-proofing. Rat-proofing is accomplished by （）.
A.installing rat guards on the mooring lines when in port
B.keeping foods protected and avoiding the accumulation of garbage
C.eliminating possible living spaces for rats when the ship is constructed
D.trapping and/or poisoning the rats
单项选择题
When taking soundings on a floating ship，the tape should be lowered and brought back quickly to（）.
A.reduce the time the sounding tube is open
B.avoid creating a spark
C.lessen the effect of roll or pitch on the reading
D.lessen the effect of heave on the reading
单项选择题
What indicates that a tropical cyclone may be within 500 to 1，000 miles of your position?（）
A.A pumping of the barometer up and down a few millibars
B.A sudden wind shift from southwest to northwest followed by steadily increasing winds
C.The normal swell pattern becoming confused，with the length of the swell increasing
D.An overcast sky with steadily increasing rain from nimbostratus clouds