introduction to navigation | navigation meaning | navigation definition | Questions
Questions
- state different types of navigation and what is the important of studying coastal navigation.
- Describe the true shape of earth then mention the mathematical relationship that rules the compression of earth. When is this compression considered?
- Define the following: Great circle, Small circle, Equator, Parallel of latitude, Meridian, Difference of latitude, Difference of longitude.
- Calculate the d.lat.
No. | Lat.A | Lat.B | D.lat. | Sign |
1 | 25° 00` N | 45° 00`N | ||
2 | 53° 00` S | 68° 00`S | ||
3 | 12° 17` N | 23° 18`N | ||
4 | 48° 36` S | 08° 19`S | ||
5 | 01° 16.5` S | 03° 08.4`N | ||
6 | 19° 42` N | 11° 15`S | ||
7 | 04° 32` N | 19° 14`N | ||
8 | 50° 20` N | 30° 42`N | ||
9 | 60° 13` S | 48° 17`S | ||
10 | 40° 50` N | 17° 40`S |
- Calculate the d.long.
No. | Long. A | Long. B | sign | d long |
1 | 070° 18` E | 037° 20`W | ||
2 | 080° 44` W | 37° 14`E | ||
3 | 018° 52` E | 072° 32`W | ||
4 | 120° 18` E | 027° 40`W | ||
5 | 170° 13` W | 150° 17`E | ||
6 | 030° 14` E | 085° 15`W | ||
7 | 003° 28` W | 002° 50`E | ||
8 | 069° 48` W | 007° 17`W | ||
9 | 034° 19` S | 020° 18`W | ||
10 | 118° 45` E | 115° 30`E |
- Calculate d.lat. and d.long. for the following:
- A ( 50° 30`N, 020° 15` E) and B (70° 20`N, 045° 18`E).
- A ( 56° 12`N, 112° 20` E) and B (40° 43`N, 080° 50`E).
- A ( 30° 30`S, 060° 50` W) and B (48° 50`N, 080° 30`E).
- A ( 25° 25`S, 045° 30` W) and B (18° 52`S, 028° 42`E).
- A ( 63° 47`S, 120° 39` E) and B (80° 26`S, 090° 40`W).
- Find the coordinates of arrival position:
· A (45° 17` N, 113° 27` W), d.lat. = 25° 13` N, d.long. = 014° 33`E.
· A (35° 25` N, 179° 24` E), d.lat. = 29° 05` N, d.long. = 024° 18`E.
· A (15° 23` N, 045° 35` W), d.lat. = 45° 27` S, d.long. = 073° 27`W.
- Define the following: Sea mile, Cable, International nautical mile, Knot, Geographical mile, Statute mile.
