A.The amount of take-up is limited by the length of the turnbuckle
B.At the grab (pear) link，the slack end of chain should be led back and secured to the chain above the link
C.The lashings should be inspected each day and any slack taken up
D.The turnbuckle should be secured with a stick or lock nuts
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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
A.in trays constructed of material that is resistant to the electrolyte
B.so as to prevent movement when the vessel pitches and rolls
C.in a well ventilated area
D.All of the above
A.pitch
B.sway
C.heave
D.roll
A.rolling period
B.amplitude moment
C.inclining moment
D.pitching period
A.ballasting
B.deballasting
C.disconnecting
D.hanging off
最新試題
The pitch of a propeller is a measure of the（）.
Multi-year ice is the hardest sea ice and should be avoided if possible. It is recognizable because of what tone to its surface color? （）
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（）.
Which is TRUE of a stiff vessel? （）
Which statement is TRUE concerning a towing vessel which，due to the nature of her work，is unable to keep out of the way of another vessel?（）
When the period of beam seas equals the natural rolling period of a vessel，what will most likely occur?（）
The distance that a ship moves forward with each revolutionof its propeller，if there is no slip，is called（）.
When preparing a ship for heavy weather，fuel oil day tanks should be（）.
The main reason a long towline is used during an oceantow is that（）.
When a vessel is swinging from side to side off course due to quartering seas，the vessel is （）.