A.structural bulkhead
B.exterior bulkhead
C.centerline bulkhead
D.joiner bulkhead
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A.negative GM
B.progressive flooding
C.structural failure
D.an immediate need to counterflood
A.turning the victim's head to the side to keep his airway open
B.positioning the victim so the head is lower than the body
C.giving the victim water if he is thirsty，but no food
D.elevating the head and shoulders slightly with a pillow
A.Factor of safety
B.Number of wires per strand
C.Number of strands per wire rope
D.Number of wires in the core
A.used at the earliest opportunity
B.hydro-tested
C.recharged
D.weighed again in one month
A.sailing chart
B.general chart
C.coastal chart
D.harbor chart
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A “full service” Loran-C receiver will provide（）.
A buoy with a composite group-flashing light indicates a(n)（）.
A common class of wire rope used for mooring is the 6x19 class. What does the 6 represent?（）
A vessel’s quarter is that section which is（）.
A conscious victim who has suffered a blow to the head has symptoms that indicate the possibility of concussion. If the patient feels no indication of neck or spine injury，recommended treatment would include（）.
A “l(fā)iner” in riveted construction of a vessel is a(n)（）.
A block and tackle is “rove to advantage”. This means that the（）.
A chart with a scale of 1:80，000 would fall into the category of a（）.
A chart projection depicting the poles and a small area on either side of a connecting meridian，that is sometimes used for star charts，is the（）.
A “bowline” is used to（）.