單項選擇題A large navigational buoy (LNB) is painted（）.

A.red
B.yellow
C.with red and white vertical stripes
D.with a distinct color and pattern unique to each buoy


您可能感興趣的試卷

你可能感興趣的試題

1.單項選擇題A fairly accurate estimation of a ship’s position can be calculated by a technique known as（）.

A.dead reckoning
B.Pilotage
C.great circle sailing
D.geographic navigation

2.單項選擇題A dead reckoning (DR) plot（）.

A.must utilize magnetic courses
B.must take set and drift into account
C.should be replotted hourly
D.should be started each time the vessel's position is fixed

3.單項選擇題A dead reckoning (DR) plot（）.

A.ignores the effect of surface currents
B.is most useful when in sight of land
C.must be plotted using magnetic courses
D.may be started at an assumed position

4.單項選擇題A cardinal mark showing an uninterrupted quick-flashing white light indicates the deepest water in the area is on the（）.

A.north side of the mark
B.west side of the mark
C.east side of the mark
D.south side of the mark

5.單項選擇題A buoy，being a shape of cylinder and with red group flashing，shows that it is（）.

A.left-side buoy
B.right-side buoy
C.a buoy of safety
D.a buoy of danger