题目内容
（请给出正确答案）
To learn how to use the needles, it takes a person ________
A. several months B. a couple of weeks
C. a life time D. almost one month
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更多“To learn how to use the needle…”相关的问题
第1题
In order to pay out or slack a mooring line which is under strain, you should ______.
A.sluice the line
B.surge the line
C.stopper the line
D.slip the line
第2题
Mooring winch should be equipped with mechanical brakes capable of holding ______.
A.half the breaking strength of the mooring line
B.the full breaking strength of the mooring line
C.the maximum expected tension of the mooring line
D.50% over the working tension of the mooring line
第3题
A.half the breaking strength of the mooring line
B.the full breaking strength of the mooring line
C.the maximum expected tension of the mooring line
D.50% over the working tension of the mooring line
第4题
An anchor winch should be equipped with mechanical brakes capable of holding ______．
A.half the breaking strength of the mooring line
B.the full breaking strength of the mooring line
C.the maximum expected tension of the mooring line
D.50% over the working tension of the mooring line
第5题
Mooring lines should be turned end-for-end occasionally. This is because ______.
A.a line is weakened by constantly pulling on it in one direction
B.normal wear on the line is thus distributed to different areas
C.it prevents the line from kinking or unlaying
D.it prevents permanent misalignment of the line’s internal strands
第6题
Which statement is TRUE about the use of a“gob rope”________．
A.The gob rope is a mooring line for tying up lighters for working cargo alongside a vessel anchored in an open roadstead
B.The gob rope is used to secure the towline aft over the centerline of a tug
C.The gob rope is a line hung over a vessel's side to assist in boarding
D.The gob rope is a rope used in mooring a vessel to a buoy
第7题
A synthetic mooring line is being heaved on a capstan．There is moderate strain on the line．The line begins to slip．Which of the following should be done？Ⅰ．Stop the capstan and take extra turns．Ⅱ．Have more than one seaman keep a substantial strain on the line and continue heaving easy．
A.Ⅰonly
B.Ⅱonly
C.Both Ⅰand Ⅱ
D.Neither Ⅰ nor Ⅱ
第8题
The indication of a slipping anchor is a（n）______．
A.Decrease in mooring line length
B.Increase in the opposite amperage
C.Increase in the opposite line tension
D.Decrease in mooring line tension and amperage
第9题
You should （松）_____ the mooring lines at the same time when the wind is big
A.fasten
B.slack
C.fast
D.slacken
第10题
A.more slack in the mooring lines
B.a strain on the mooring lines
C.chafing gear on the mooring lines
D.grease on the mooring lines
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