A.without losing the rhythm of respiration
B.only with the help of two other people
C.by not stopping the respiration for more than 5 minutes
D.at ten minute intervals
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A.It causes minimal damage
B.It is safer for personnel
C.It is cheaper
D.It is most effective on a per unit basis
A.Grade A flammable liquid
B.Grade C flammable liquid
C.Grade D combustible liquid
D.Grade E combustible liquid
A.six months
B.one year
C.two years
D.thirty months
A.loss of pay during the period of such use
B.reprimand by the US Coast Guard
C.revocation of license or certificate
D.termination of employment
A.lower most continuous deck not broken by water tight bulkheads
B.after most weather deck above the main strength deck
C.upper or weather deck above the main strength deck
D.deck of light construction below the main or strength deck
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Compared to a low pressure system，generally the air in a high is（）.
Coiling new rope against the lay，bringing the lower end up through the center of the coil，then coiling with the lay，in order to remove the kinks，is known as（）.
Diesel powered industrial trucks on a ship that are provided with safeguards to the exhaust，fuel，and electrical systems are designated（）.
Class I and II private aids to navigation in or along navigable waters of the United States are listed in the（）.
Cyclones that have warm sectors usually move（）.
Deficient oxygen content inside a chain locker can be detected with（）.
Deneb is found in what constellation?（）
Clean air standards referred to as “Grade D” apply to compressed air for use in（）.
Chart legends which indicate a conspicuous landmark are printed in（）.
Concerning the identification signal for a pilot vessel，in fog，which statement is TRUE?（）