The compass deviation changes as the vessel changes（）.

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• Deviation is the angle between the（）.

  A . true meridian and the axis of the compass card B . true meridian and the magnetic meridian C . magnetic meridian and the axis of the compass card D . axis of the compass card and the degaussing meridia

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• The compass error of a magnetic compass that has no deviation is（）.

  A . zero B . equal to variation C . eliminated by adjusting the compass D . constant at any geographical locatio

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• If the compass heading and the magnetic heading are the same then（）.

  A . the deviation has been offset by the variation B . there is something wrong with the compass C . the compass is being influenced by nearby metals D . there is no deviation on that heading

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• The Flinders bar on a magnetic compass compensates for the（）.

  A . induced magnetism in vertical soft iron B . induced magnetism in horizontal soft iron C . permanent magnetism in ship's steel D . vessel's inclination from the vertical

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• When an azimuth of the Sun has been taken and the deviation of the standard magnetic compass computed，the watch officer should record the results（）.

  A . In the vessel's Official Logbook B . On the compass deviation card C . In the compass deviation log D . On a Napier diagram

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• Deviation in a compass is caused by the（）.

  A . vessel's geographic position B . vessel's heading C . earth's magnetic field D . influence of the magnetic materials of the vessel

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• The standard magnetic compass heading differs from the true heading by（）.

  A . compass error B . latitude C . variation D . deviatio

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• Deviation which is maximum on intercardinal compass headings may be removed by the（）.

  A . Flinders bar B . transverse magnets C . fore-and-aft magnets D . soft iron spheres on the sides of the compa

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• （）the repeater compass with the master compass，please.

  A . Similize B . Clock C . Synchronize D . Positio

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• If a ship is proceeding towards the magnetic equator，the uncorrected deviation due to permanent magnetism（）.

  A . increases B . remains the same C . decreases D . is unimportant and may be neglected

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• The compass heading of a vessel differs from the true heading by（）.

  A . compass error B . variation C . magnetic dip D . deviatio

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• When adjusting a magnetic compass for error，a deviation table should be made（）.

  A . before correcting for any deviation B . after correcting for variation C . after adjusting the fore-and-aft and athwartships permanent magnets D . before the quadrantal correctors are placed on the compa

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• The lubber’s line on a magnetic compass indicates（）.

  A . compass north B . the direction of the vessel's head C . magnetic north D . a relative bearing taken with an azimuth circle

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• We’ll see（）the compasses are in good condition.

  A . if B . how C . when D . where

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• What is the basic principle of the magnetic compass?（）

  A . Magnetic materials of the same polarity repel each other and those of opposite polarity attract B . The Earth's magnetic lines of force are parallel to the surface of the Earth C . Magnetic meridians connect points of equal magnetic variation D . The compass needle(s) will，when properly compensated，lie parallel to the isogonic lines of the Earth

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• Which statement about the Flinders bar of the magnetic compass is CORRECT（）.

  A . It compensates for the error caused by the vertical component of the Earth's magnetic field B . It compensates for error caused by the heeling of a vessel C . It compensates for quadrantal deviation D . It is only needed in equatorial water

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• 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 deviatio

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• The total magnetic effects which cause deviation of a vessel’s compass can be broken down into a series of components which are referred to as（）.

  A . divisional parts B . coefficients C . fractional parts D . equatio

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• Magnetic compass deviation（）.

  A . varies depending upon the bearing used B . is the angular difference between magnetic north and compass north C . is published on the compass rose on most nautical charts D . is the angular difference between geographic and magnetic meridia

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• 9. Which of the following is not a kind of deviation?

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• 266. Magnetic compass deviation ______.

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• On the minimum-variance frontier, which of the following portfolios has the lowest standard deviation:

  A．Theoptimalriskyportfolio. B．Theglobalminimum-varianceportfolio C．Unattainableportfolios.

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• For the relationship between deviation and tolerance, the following statement is correct （）

  A．The bigger the actual deviation, the bigger the toleranc E． B．The greater the absolute value of the difference between the upper and lower deviations, the greater the toleranc E． C．The smaller the upper deviation, the greater the toleranc E．

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