單項(xiàng)選擇題Public address system: loudspeakers in the vessel’s cabins, mess rooms, ETC., and on deck via which important information can bebroadcast from a central point, mostly from the navigation bridge defines（）.

A.PP-system
B.PA-system
C.AP-system
D.AA-system


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你可能感興趣的試題

1.單項(xiàng)選擇題The speed at which a storm centre moves is the（）.

A.speed of movement
B.speed of advance
C.speed of storm
D.storm movement speed

2.單項(xiàng)選擇題The speed of a vessel adjusted to that of a pilot boat at which the pilot can safely embark is（）.

A.ground speed
B.boarding speed
C.relative speed
D.speed of the vessel

3.單項(xiàng)選擇題The step of a pilot ladder which prevents the ladder from twisting is the（）.

A.proof bar
B.shifting bar
C.long bar
D.spreader

4.單項(xiàng)選擇題The term of landfall means（）.

A.land first sighted when vessel approaching from seaward
B.land last sighted when vessel leaving from a port
C.in sight of one another when vessel underway
D.in sight of an island during a ship on her voyage