单项选择题
What is TRUE concerning frapping lines?（）
A.They are used to steady a lifeboat when lowered
B.They are normally attached to the davit span
C.They are needed only on radial davits
D.They are used to clear the puddings
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相关考题
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单项选择题
What is the purpose of tricing pendants?（）
A.They have the same function as frapping line
B.They are safety lines for personnel inside the lifeboat
C.They slow the descent of the lifeboat
D.They hold the lifeboat alongside the embarkation deck -
单项选择题
What is the minimum number of deck officers，able seaman or certificated persons required for a lifeboat on a vessel in ocean service?（）
A.Two
B.Three
C.Four
D.Five -
单项选择题
What is the accepted standard for wire rope falls used in connection with the lifeboat gear?（）
A.Six by seven galvanized wire rope
B.Six by twenty-four improved plow steel wire rope
C.Six by thirty-seven preformed fiber-core wire rope
D.Six by nineteen regular-lay filler wire rope
