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Sailaway - Questionnaire - Second Part - Introduction to navigation

  Second Part - Introduction to navigation  
 
  18 61,23' N - 061 13,76'W. Are these coordinates plausible ?  
 
  No.
  Yes.
 

  When using Mercator projection one measures distances on  
 
  on the scale of Latitudes.
  indifferently on the scale of Latitudes or Longitudes.
  on the scale of Longitudes.
 

  A variation of 5W is indicated on the navigational chart. The helmsman affirms he is following a 135 course. What do I trace on the chart ?  
 
  140°
  135°
  130°
 

  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 ?  
 
  190°
  170°
 

  The variation of the area is to be found  
 
  in the pilot book
  In the almanac.
  in the compass rose on the navigational chart.
 

  When using a navigational chart with depth soundings in fathoms and feet, what does a figure like 18,3 mean ?  
 
  18,3 fathoms
  18 fathoms and 3 feet
  18,3 meters
  183 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 ?  
 
  8 meters
  3 meters.
  5,5 meters
 

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

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

  Maximum Longitude is  
 
  90°
  180°
  0°
  360°