A.Grade A flammable liquid
B.Grade C flammable liquid
C.Grade D combustible liquid
D.Grade E combustible liquid
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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
A.seaplanes
B.non-displacement craft
C.barges
D.All of the above
A.comfortable
B.suitable
C.stable
D.favorable
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Conventional anchors are least likely to hold in a bottom consisting of（）.
Deneb is found in what constellation?（）
Coast Pilots and navigational charts are kept corrected and up-to-date by using the（）.
Compliance with the terms of the load line certificate on a ship is the responsibility of the（）.
Charts showing the coast of Mexico are produced by the United States（）.
Consideration should be given in planning for the mooring orientation in a new location so that in adverse weather a crane is available to off-load the supply vessel on what side of the unit?（）
Dacron sails，when not in use，may be damaged if（）.
Cumulonimbus clouds are formed by（）.
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（）.
Cumulus clouds that have undergone vertical development and have become cumulonimbus in form，indicate（）.