kĩ thuật 2

A great circle is defined as

• A circle in any plane on the surface of a sphere

• A circle on the surface of a sphere, whose plane is cutting through the centre of the sphere

• A circle running on the outside of the sphere

• A circle on the surface of the sphere, with its plane running perpendicular to the axis of rotation

A small circle

• Will always cross the equator

• Has a plane parallel to the earth's axis of rotation

• Will also be a rhumb line

• Has a plane that do not pass through the centre of the earth

Latitude may be defined as

• The distance from equator to a place on the surface of the earth

• The angle between the plane of the equator and the plane of the parallel of latitude

• The angular distance measured along a meridian from the equator to a parallel of the latitude, measured in degrees, minutes, and seconds and named North or South

• The displacement of a place from equator\

A correct definition of longitude is

• The East-West distance between Greenwich and the place

• the arc at equator between the Greenwich meridian and the meridian of the place, measured in degrees, minutes and seconds, named East or West

• The angle between the Greenwich meridian and the meridian of the place

• The difference between the Greenwich meridian and the meridian of the place, measured at the centre of the earth

Position A is at latitude 33º45'N and position B is at latitude 14º25'N. What is the change in latitude between A and B?

• 48º10'

• 19º20'

• 23º45'

• 76º15'

Consider the following statements on longitude

• Longitude is stated in degrees up to 360º

• The value of longitude will never exceed 90º

• The largest value of longitude is 180º

• The largest value of change of longitude is 90º

The prime meridian is

• The meridian having the highest value of longitude

• The meridian 180⁰ E/W

• The mid meridian on a chart

• The meridian running through Greenwich, England

.What is the change of longitude between A (31º33'N 157º 02'E) and B (45º00'N 163º14'E)

• 6° 12' E

• 6º 12' W

• 13° 27' W

• 320° 16' E

Consider the following statements on meridians:

• Any two meridians will form a great circle

• The meridians are not of equal length

• The meridians are parallel only at equator

• Any two halves great circle will form a meridians

In international aviation the following units shall be used for horizontal distance:

• Metres, Statute miles and Nautical miles

• Kilometres, Feet and Nautical miles

• Metres, Kilometres and Nautical miles

• Kilometres, Statute miles and Nautical miles