单选题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 partsB coefficientsC fractional partsD equations

143 For a given characteristic in a construction process, the standard deviation associated with production variation is 0.8", and the standard deviation associated with measurement variation is 0.6". The total standard deviation for this characteristic is:

A. 1.4"

B. 1.2".

C. 1.0"

D. 0.8"

E. 0.2"

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

For a given characteristic in a construction process, the standard deviation associated with production variation is 0.8", and the standard deviation associated with measurement variation is 0.6". The total standard deviation for this characteristic is:

A . 1.4"

B . 1.2".

C . 1.0"

D . 0.8"

E . 0.2"

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 meridian

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

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 location

According to SINOTIME Charter In the event of loss of time due to __________，hire will not cease.

A.detention of or interference with the Vessel by any authorities in consequence of legal action against，or breach of regulations by the Owners，Master，Officers or Crew

B.stoppages resulting from any breach of this Charter by the Owners

C.deviation，putting back or putting into any port other than that to which she is bound under the instructions of Charterers for any reason or for any purpose

D.reasonable deviation

Which of the following diagrams is most useful in impact analysis:

A arrow diagrams

B precedence diagrams

C decision trees

D Pareto diagrams

E cause and effects diagrams

Which magnetic compass corrector（s）can be set while the vessel is on a heading of magnetic north or magnetic south ________．

A.Quadrantal spheres

B.Heeling magnets

C.Flinders bar

D.Fore-and-aft magnets

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