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Sailaway - Questionnaire - Second Part - Introduction to navigation

  Second Part - Introduction to navigation  
 
  With the Mercator projection  
 
  surfaces are not altered.
  angles are not altered
 

  The unit used at sea for distances is the Nautical Mile which represents  
 
  One minute of Latitude.
  One minute of Longitude.
 

  After having calculated a course of 180 I want to give indications to the helmsman. The variation in the area is 10W. What do I tell the helmsman ?  
 
  170°
  190°
 

  Depth soundings are always indicated in meters.  
 
  True
  False
 

  When using a navigational chart with depth soundings in fathoms and feet, what does a figure like 18,3 mean ?  
 
  18,3 fathoms
  18,3 meters
  183 feet
  18 fathoms and 3 feet
 

  The height of the water in the harbour is 5,5m. How much water will I have on a sounding of 2,5 underligned ?  
 
  3 meters.
  5,5 meters
  8 meters
 

  When taking a compass bearing I will have to take into account  
 
  variation and deviation
  deviation
  variation
 

  050N 13,453'N - 002 56,789'W. Could you confirm these coordinates are reported correctly ?  
 
  Yes.
  No
 

  Maximum Longitude is  
 
  360°
  90°
  180°
  0°
 

  All the points on the same Latitude form the  
 
  pole