航海英语船舶买卖章节练习(2018.01.23)

单项选择题
A tow of 9 barges is made up three abreast by three long. The towboat is faced up to the last barge of the center string. The outer two strings of barges are the（）.
A.port and starboard strings
B.outer strings
C.drag strings
D.side strings
单项选择题
A type of precipitation that occurs only in thunderstorms with strong convection currents that convey raindrops above and below the freezing level is known as（）.
A.sleet
B.hail
C.freezing rain
D.rime
单项选择题
A tsunami is caused by a(n)（）.
A.tidal wave
B.storm surge caused by a hurricane or tropical storm
C.earthquake on the ocean's floor
D.tornado
单项选择题
A twin-screw vessel with a single rudder is making headway. The engines are full speed ahead. There is no wind or current. Which statement is FALSE? （）
A.If one screw is stopped，the ship will turn toward the side of the stopped screw
B.The principal force which turns the ship is set up by the wake against the forward side of the rudder
C.Turning response by use of the rudder only is greater than on a single-screw vessel
D.With the rudder amidships，the ship will steer a fairly steady course
单项选择题
Should the Vessel become an actual，constructive or compromised（）before delivery the deposit together with interest earned shall be released immediately to the Buyers whereafter this Agreement shall be null and void.
A.entirely damaged
B.prejudice
C.total loss
D.injury
单项选择题
A time diagram is a diagram on the plane of the（）.
A.celestial meridian
B.celestial equator
C.celestial horizon
D.principal vertical circle
单项选择题
A towline should be fastened to（）.
A.the chocks at the bow of a towed vessel
B.the most forward，centermost point of a towed vessel such as a sturdy bow rail
C.the mast of a towed sailboat
D.a secure fitting near the bow of the towed vessel
单项选择题
A tackle is “two blocked” when the blocks are（）.
A.equally sharing the load
B.jammed together
C.as far apart as possible
D.rove to the highest mechanical advantage
单项选择题
A tow can override its tug as a result of（）.
A.a mechanical breakdown on the tug
B.adverse tidal current conditions
C.the tug reducing its speed
D.All of the above
单项选择题
A towing light is（）.
A.shown at the bow
B.white in color
C.shown in addition to the stern light
D.an all-round light