单项选择题
The maximum speed of lowering for a lifeboat on gravity davits is controlled by the（）.
A.limit switches
B.emergency disconnect switch
C.governor brake
D.position of the counterweight on the brake handle
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相关考题
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单项选择题
The Master or person in charge of a ship shall insure that each deck from which lifeboats are launched is（）.
A.surfaced with a nonskid texture
B.roped off to prevent unnecessary access
C.kept clear of any obstructions that would interfere with launching
D.posted with a list of persons assigned to the lifeboat -
单项选择题
The lifeboat releasing gear lever should be marked with the words（）.
A.DANGER，DO NOT TOUCH
B.DANGER，BOAT MAY DROP
C.DANGER，LEVER RELEASES BOAT
D.DANGER，LEVER DROPS BOAT -
单项选择题
The length of the steering oar in a lifeboat is（）.
A.shorter than the rowing oars
B.the same length as the rowing oars
C.longer than the rowing oars
D.unrelated to the length of the rowing oars
