To center a compass bowl in its binnacle，you should have the ship on an even keel，heading north or south，and adjust the screws until（）.

A、the compass heading is in line with the lubber's line

B、there is no lost motion in the gimbal rings

C、no change of heading by compass is observed if you raise and lower the heeling magnet

D、the gimbal rings do not strike the compass frame when they are tilted

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更多“To center a compass bowl in its binnacle，you should have the ship on an even keel，heading north or south，and adjust the screws until（）.”相关的问题

第1题

[单选题] As a vessel changes course to starboard，the compass card in a magnetic compass（）.

A、remains aligned with compass north B、also turns to starboard C、first turns to starboard then counterclockwise to port D、turns counterclockwise to port

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第2题

[单选题] As a vessel changes course to starboard，the compass card in a magnetic compass（）.

A、remains aligned with compass north B、also turns to starboard C、first turns to starboard then counterclockwise to port D、turns counterclockwise to port

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第3题

[] As a vessel changes course to starboard，the compass card in a magnetic compass（）.

A、A.remains aligned with compass north B、B.also turns to starboard C、C.first turns to starboard then counterclockwise to port D、D.turns counterclockwise to port

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第4题

[单选题] In an open lifeboat，the lifeboat compass is usually（）.

A、placed in a fixed bracket when being used B、clamped to any position convenient for the coxswain to see it C、permanently mounted on the lifeboat's centerline D、mounted in the center of the boat to eliminate deviation

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第5题

[单选题] You are using a radar in which your own ship is shown at the center，and the heading flash always points to 0°. If bearings are measured in relation to the flash，what type of bearings are produced? （）

A、Relative B、TRUE C、Compass D、Magnetic

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第6题

[] You are using a radar in which your own ship is shown at the center，and the heading flash always points to 0°. If bearings are measured in relation to the flash，what type of bearings are produced?（）.

A、A.Relative B、B.TRUE C、C.Compass D、D.Magnetic

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第7题

[] If the gyrocompass error is east，what describes the error and the correction to be made to gyrocompass headings to obtain true headings?（）.

A、A.The readings are too low (small numerically) and the amount of the error must be added to the compass to obtain true B、B.The readings are too low and the amount of the error must be subtracted from the compass to obtain true C、C.The readings are too high (large numerically) and the amount of the error must be added to the compass to obtain true D、D.The readings are too high and the amount of the error must be subtracted from the compass to obtain true