A.one approved flotation cushion for each person on board
B.one approved life preserver for each person on board and one life ring
C.one approved inflatable vest for each person on board
D.lifeboat capacity equal to 1 1/2 times the number of persons on board
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A.one-half the SWL of the main towing hawser
B.three-fourths the SWL of the main towing hawser
C.that of the main towing hawser
D.twice that of the main towing hawser
A.limit switches
B.emergency disconnect switch
C.governor brake
D.position of the counterweight on the brake handle
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
A.DANGER，DO NOT TOUCH
B.DANGER，BOAT MAY DROP
C.DANGER，LEVER RELEASES BOAT
D.DANGER，LEVER DROPS BOAT
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
最新試題
The depth over a shallow patch，（）about 1．5 miles southeastward of Nanshan Tou lighthouse，reduces to 8 meters.
On an oceangoing vessel，for each person a lifeboat (without desalting kits) is certified to carry，the boat must be supplied with（）.
If help has not arrived in 10-12 hours after you abandon a vessel in a survival craft，you should（）.
Symptoms of sea sickness include（）.
In the first 24 hours after abandoning a vessel，water should be given only to personnel who are（）.
Lifeboat hatchets should be（）.
Symptoms of heat stroke are（）.
The minimum amount of lifesaving equipment required aboard an 85-foot uninspected towing vessel consists of（）.
In rough weather，when a ship is able to maneuver，it is best to launch a lifeboat（）.
The maximum speed of lowering for a lifeboat on gravity davits is controlled by the（）.