TEST How much do you know about charting? Put yourself to the test!
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Here’s a point-blank test on charting & related, to take you back to the days of the boat license exam! Let us know how many right answers you totaled with a nice comment: and it is not valid to document on the web, be honest!
PAPER TESTING.
1 – The instrument that measures boat speed is called:
A) solcometer;
B) tachometer;
C) tachometer. 2 – Mercator projection makes it possible to obtain nautical charts in which, compared with reality on the earth’s surface, the following are preserved:
A) the proportions between the areas of sea traversed;
B) the distances between points that are at different latitudes;
C) the same value of the angles between meridians and parallels. 3 – One degree of latitude corresponds to:
A) 60 nautical miles;
B) 1852 meters;
C) 18,518 meters, or 10 miles.
4 – The meridians in total are:
A) 180;
B) 360;
C) 90. 5 – The Breton rapportator makes it possible to:
A) determine routes and bearings;
B) help in the calculation of boat speed;
C) establish the relationship between 1° of longitude on the chart and the distance actually traveled. 6 – Without consulting the chart, but by simple reasoning, could you tell which of these coordinates locates the closest point to Rome:
A) 12° 18′ N – 43° 17′ W;
B) 14° 02′ S – 32° 48′ E;
C) 40° 12′ N – 16° 35′ E.
7 – Coastal charts have a scale of approximately:
A) 1:1,000,000;
B) 1:100,000;
C) 1:10,000. 8 – How is the seabed within the 10-meter bathymetry marked on nautical charts:
A) in continuous blue color;
B) with a thin hatch;
C) in pale purple color. 9 – Given a ship point P, the latitude is determined on the plane:
A) on which lies the parallel passing through P;
B) on which lies the meridian passing through P;
C) on the plane passing through Greenwich.
10 – On nautical charts, distances should be determined on the scales shown:
A) on the left and right sides;
B) on the up and down sides;
C) on the graduated rose.
HERE ARE THE CORRECT ANSWERS
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