Home work

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تسوق اكسسوارات وقطع غيار القوارب معدات صيد معدات غطس

shaderma
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مشاركات: 3
اشترك في: الجمعة نوفمبر 23, 2007 12:48 pm

Home work

مشاركة بواسطة shaderma » الأربعاء نوفمبر 28, 2007 9:21 pm

Home work
?1?
Q1.
Define navigation , costal navigation , offshore navigation

a- navigation : it is art of finding the position of ship at sea and conducting her safley from place to place .
b- costal navigation : this is art of coducting a ship in the neighbood of dangers .
c- offshorenavigation : this is the part of navigation which is concerned with the open sea.

Q2.
What are the safly praction you will consedr at costal navigation ?

1- high accuracy in fixing the ship.
2- Fixing the shp at short intenals of time.
3- Safe speed.
4- Ensure that all the reguired charts are available up to date books related to artifical aids to navigation such as buoys.
5- He knowldge of chart.


Home work
?2?
Q1.
Define the great circle , small circle , the equato , meridians , earth coordinates , latitude , longitude.

a- the great circle : a shere is formed by rotating a circle about adiameter.
b- It is the circle plane does not pass through the canter of the sphere.
c- The great circle midway betwen th poles is calle the equator.
d- This are semi great circle joining the poles.
e- Its is find the position of any point in a plane.
f- The latitude of a place is the angualr distance of that place noth or south of the equator.
g- The longiude of a place is the angular distance expressed in degrees.




Home work
?3?

1-
LAT (A) 25° 00.0 N
LAT (B) 20° 00.0 N
D.LAT = 05° 00.0 S
2-
LAT (A) 40° 00.0 N
LAT (B) 10° 00.0 S
D.LAT = 50° 00.0 S
3-
LAT (A) 25° 30.0 N
LAT (B) 07° 24.0 S
D.LAT = 32° 54.6 S
4-
LAT (A) 25C 30.0 N
LAT (B) 07° 34.0 S
DLAT = 33° 04.0 S

Home work
?4?
1-
LAT (A) 37° 22.7 N
LAT (B) 25° 52.3 N
D.LAT = 11° 30.4 S
2-
LAT (A) 12° 34.8 N
LAT (B) 05° 18.4 S
D.LAT = 18° 02.2 S
3-
LAT (A) 078° 12.4 E
LAT (B) 068° 10.4 E
D.LONG=010° 02.0 W
4-
LAT (A) 174° 32 W
LAT (B) 171° 15 E
D.LONG 014° 13 E
Home work
?5?
define cable , the international nautical mile , the knot .

a- the mean value of the sea mile at latitude 45° is 1852.3 meters.
b- The cable is 1/10 of the sea mile (01 of sea mile ) .
c- This a standard fixed length of 1852 meters and is denoted by (n.miles)


Home work
?6?
Q1
1-
LAT (A) 25° 00 N
LAT (B) 45° 00 N
D.LAT = 20° 00 N
2-
LAT (A) 53° 00 S
LAT (B) 68° 00 S
D.LAT = 15° 00 N
3-
LAT (A) 12° 17 N
LAT (B) 23° 18 N
D.LAT = 11° 01 S
4-
LAT (A) 48° 36 S
LAT (B) 03° 08.4 N
D.LAT = 04° 24.9 N
5-
LAT (A) 19° 42 N
LAT (B) 11° 15 S
D.LAT = 30° 57 S
6-
LAT (A) 04° 32 N
LAT (B) 19° 14 N
D.LAT = 14° 82 N



7-
LAT (A) 50° 20 N
LAT (B) 30° 42 N
D.LAT =19° 78 S
8-
LAT (A) 60° 13 S
LAT (B) 48° 17 S
D.LAT = 11° 96 S
9-
LAT (A) 40° 50 N
LAT (B) 17° 40 S
D.LAT = 57° 90 S

Q2
1-
LONG (A) 070° 18 E
LONG (B) 037° 20 W
D.LONG = 032° 98 W
1-
LONG (A) 080° 44 E
LONG (B) 037° 14 W
D.LONG = 043° 03 W
1-
LONG (A) 018° 52 E
LONG (B) 072° 32 W
D.LONG = 053° 08 W
1-
LONG (A) 120° 18 E
LONG (B) 027° 40 W
D.LONG = 092° 78 W
1-
LONG (A) 170° 13 E
LONG (B) 150° 15 W
D.LONG = 019° 01 W
1-
LONG (A) 030° 14 E
LONG (B) 085° 15 W
D.LONG = 055° 01 W


1-
LONG (A) 003° 28 E
LONG (B) 002° 50 W
D.LONG = 002° 78 W
1-
LONG (A) 069° 48 E
LONG (B) 007° 17 W
D.LONG = 062° 31 W
1-
LONG (A) 034° 19 E
LONG (B) 020° 18 W
D.LONG = 014° 01 W
1-
LONG (A) 118° 45 E
LONG (B) 115° 30 W
D.LONG = 003° 15 W

تسوق اكسسوارات وقطع غيار القوارب معدات صيد معدات غطس

JJm
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مشاركات: 27
اشترك في: الخميس نوفمبر 15, 2007 8:45 pm

مشاركة بواسطة JJm » الخميس ديسمبر 13, 2007 6:56 pm

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