A.significant areas of damage or corrosion
B.pitting of plating and associated stiffening in decks
C.pitting of hull affecting seaworthiness or strength to take local loads
D.the condition of such items as ladder ways，guard-rails，pipe coverings
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A.slip
B.sidewise force
C.rotational force
D.thrust
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
最新試題
The name and hailing port of a documented commercial vessel is（）.
The dew point is reached when the（）.
The dangerous semicircle of a typhoon in the Southern Hemisphere is that area（）.
The external flotation bladder of an immersion suit should be inflated（）.
Which statement about radio navigational warnings is TRUE（）.
What does the DSC control unit do if the GMDSS radio operator fails to insert updated information when initiating a DSC distress alert（）.
（） may not justify detention.
While proceeding to a distress site，you hear the words “Seelonce mayday” on the radiotelephone.Which action should you take（）.
The dangerous semicircle of a hurricane in the Northern Hemisphere is that area of the storm （）.
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? （）