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
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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
A.along the turn of the bilge
B.along each side of the keel
C.near the top of the gunwale
D.at the bow and at the stern
最新試題
The first treatment given to a person overcome by benzene vapor should be to（）.
On an oceangoing vessel，for each person a lifeboat (without desalting kits) is certified to carry，the boat must be supplied with（）.
The FIRST treatment for a surface burn is to（）.
For use as protection from gas leaking from a refrigeration unit，each ship must be equipped with a（）.
The most effective first aid treatment for chemical burns is to immediately（）.
Symptoms of heat stroke are（）.
The Master or person in charge of a ship shall insure that each deck from which lifeboats are launched is（）.
Sign(s) of respiratory arrest requiring artificial respiration is(are)（）.
Symptoms of sea sickness include（）.
The MINIMUM acceptable size for a towing bridle would be that size in which the safe working load (SWL) of each leg of the bridle is equal to（）.