A.slip
B.sidewise force
C.rotational force
D.thrust
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A.close
B.open
C.switch off
D.switch on
A.only after two hours in the water
B.only after four hours in the water
C.before entry into the water
D.upon entry into the water
A.when approved by the lockmaster
B.when locking downbound
C.at no time
D.during high water only
A.it increases the likelihood of collision between the towing vessel and the disabled vessel
B.recreational boaters tend to make the heaving line fast to the towed vessel as if it were the towline
C.the monkey fist may injure someone
D.it may reduce the catenary and increase yawing
A.route
B.track
C.heading
D.course over the ground
最新試題
The dangerous semicircle of a typhoon in the Southern Hemisphere is that area（）.
The direction in which a vessel is steered is the course. The path actually followed is the （）.
The damage to a vessel is over $25，000. Who must notify the nearest Coast Guard Marine Safety or Marine Inspection Office as soon as possible?（）
The damage to a vessel is over $25，000. Who must notify the nearest Coast Guard Marine Safety or Marine Inspection Office as soon as possible? （）
The port State control officer may ensure that（）are exhibited in conspicuous places throughout the ship.
The Certificate of Inspection on a passenger vessel of over 100 gross tons must be posted （）.
The direction a vessel is pointed at any given time is the（）.
Where the master has not disclosed to the suppliers of necessaries that under an existing time-charter the Charterer is liable for the particular disbursements in question，（）will be liable to such suppliers to that extent.
The consistent winds blowing from the horse latitudes to the doldrums are called the（）.
（） may not justify detention.