单项选择题
Which statement is TRUE concerning lifeboat gripes?（）
A.They must be released by freeing a safety shackle
B.They should not be released until the boat is in lowering position
C.They may be adjusted by a turnbuckle
D.They are normally used only with radial davits
相关考题
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单项选择题
Which statement concerning the collection of fresh water is FALSE?（）
A.Fresh water may be obtained from fish
B.Lifeboat covers or canopies should be washed with rain before drinking water is collected
C.Fresh water may be collected from condensation inside the liferaft
D.Seawater should never be consumed -
单项选择题
Which sequence is correct when launching a lifeboat stowed in gravity davits?（）
A.Release gripes，turn on emergency disconnect switch，release frapping lines
B.Release tricing pennants，turn on emergency disconnect switch，release frapping lines
C.Operate limit switches，release gripes，lift brake
D.Release gripes，lift brake，release tricing pennants -
单项选择题
Which person may command a lifeboat in ocean service?（）
A.Licensed deck officer
B.Able seaman
C.Certificated person
D.All of the above
