In very high latitudes,the most practical chart projection is the ______.A.MercatorB.Gnomo

To agree with larger scale chart，latitudes taken from this chart should be increased ______ about 8 seconds．

A.with

B.in

C.by

D.to

A Mercator chart is a ______.

A.cylindrical projection

B.simple conic projection

C.polyconic projection

D.rectangular projection

To determine what causes the majority of quality problems in a process, a very useful tool is the:

A . cause and effect diagrams.

B . flow chart.

C . control chart.

D . pareto chart.

E . trend chart.

When using a Lambert conformal chart in high latitudes，angles such as bearings are measured in reference to ______.

A.the meridian through the object of the bearing

B.the meridian through the ship's position

C.the meridian midway between the ship and the object

D.any meridian

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

All straight lines represent great circle tracks on a chart based on a(n) ______.

A.Mercator projection

B.polyconic projection

C.orthographic projection

D.gnomonic projection

The only cylindrical chart projection widely used for navigation is the ______.

A.Lambert conformal

B.Mercator

C.azimuthal

D.gnomonic

153 To determine what causes the majority of quality problems in a process, a very useful tool is the: A. cause and effect diagrams.

B. flow chart.

C. control chart.

D. pareto chart.

E. trend chart

When navigating in high latitudes and using a chart based on a Lambert conformal projection，______.

A.a straight line drawn on the chart approximates a great circle

B.the chart should not be used outside of the standard parallels

C.the course angle is measured at the mid-longitude of the track line

D.distance cannot be measured directly from the chart

In which source could you find the number of a chart for a certain geographic area? ______.

A.Chart No. 1

B.Catalog of Charts

C.IMO Practical Navigator

D.IMO Light List