单选题The heading of a vessel is indicated by what part of the compass? （）A CardB NeedleC Lubber's lineD Gimbals

Persons who have taken part in salvage operations，notwithstanding the express and reasonable prohibition on the part of ______________，have no right to any remuneration.

A.the vessel from which the services were rendered

B.the vessel to which the services were rendered

C.the persons whose lives were saved

D.the salvors of the vessel，her cargo and accessories

Heeling error is defined as the change of deviation for a heel of ______．

A.2° while the vessel is on an intercardinal heading

B.1° while the vessel is on a compass heading of 000°

C.2° and is constant on all headings

D.1° while the vessel is on a compass heading of 180°

What is the major advantage of a rhumb line track?

A.The vessel can steam on a constant heading (disregarding wind，current，etc)

B.The rhumb line is the shortest distance between the arrival and departure points

C.It is easily plotted on a gnomonic chart for comparison with a great circle course

D.It approximates a great circle on east-west courses in high latitudes

Flanking rudders effect a vessel’s heading because of the ______.

A.effect of the propeller flow on the rudders

B.water flow due to the vessel’s movement through the water

C.tunnel affect of the water flow past opposing rudders

D.discharge current being channeled to impinge on the vessel’s deadwood

______refers to the angle between true north and the heading line of the vessel．

A.True position

B.True meridian

C.True course

D.True bearing

Your vessel is proceeding down a channel，and you see a pair of range lights that are in line dead ahead．The chart indicates that the direction of this pair of lights is 229°T，and variation is 6°W．If the heading of your vessel at the time of the sighting is 232°per standard magnetic compass，what is the correct deviation ________．

A.3°E

B.9°E

C.3°W

D.9°W

What publications should a GMDSS Operator consult regarding the proper set-up and operation of vessel equipment ________．

A.ITU Publications

B.The manufacturers instruction manuals

C.Part 90 of the FCC Rules and Regulations

D.Code of Federal Regulations，Title 47，Part 80，Subpart W

A vessel is heading magnetic north and its magnetic compass indicates a heading of 003°. What action should be taken to remove this error during compass adjustment?

A.Move the quadrantal spheres closer to the compass

B.Raise the heeling magnet if the red end is up

C.Remove some of the Flinders bar

D.Raise or lower the athwartship magnets

A vessel is wind rode when it is ______.

A.at anchor and heading into the wind

B.backing into the wind

C.carrying lee rudder

D.necessary to apply a leeway correction to the course