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 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（）.
In the first 24 hours after abandoning a vessel，water should be given only to personnel who are（）.
On an oceangoing vessel，for each person a lifeboat (without desalting kits) is certified to carry，the boat must be supplied with（）.
The bottom row of plating next to the keel of a lifeboat is known as the（）.
For use as protection from gas leaking from a refrigeration unit，each ship must be equipped with a（）.
The danger associated with using carbon dioxide in an enclosed space is（）.
The minimum concentration of a vapor in air which can form an explosive mixture is called the（）.
The governor brake shall be capable of controlling the speed of lowering a fully equipped lifeboat with its complement of persons on board at（）.
If the survival craft is not loaded to full capacity，the personnel should be（）.
Sign(s) of respiratory arrest requiring artificial respiration is(are)（）.