单项选择题
The operating cord on an inflatable liferaft should be renewed by（）.
A.removing the top half of the shell，cutting the line at its source，and renewing completely
B.cutting the line where it enters the case and replacing that portion
C.leaving the original line and tying another one to it so the two lines will take the strain
D.an approved servicing facility ashore
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相关考题
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单项选择题
The number of flashlights required as lifeboat equipment on a seagoing barge is（）.
A.none
B.one
C.two
D.three -
单项选择题
The Master or person in charge on a ship shall insure that line throwing equipment is not operated（）.
A.during a rain storm
B.in an explosive atmosphere
C.near a lifeboat station
D.by other than senior rig personnel -
单项选择题
The Master of a cargo or tanker shall be responsible that each lifeboat，except those free-fall launched，is lowered to the water with crew and maneuvered at least once every（）.
A.week
B.month
C.three months
D.year
