CPL Navigation questions with correct answers

Define and identify, on a diagram of the earth: (a) great circles; - correct answer Great circles are ones whose planes pass through the centre of the earth and splits the earth into two equal parts, lines of meridians with their anti-meridian form a great circle. The equator is also a great circle. Define and identify, on a diagram of the earth: (b) small circles; - correct answer Small circles are circles on the surface on the earth that do not pass through the centre of the earth. Parallels of latitude other than the equator are all small circles. Define and identify, on a diagram of the earth: (c) rhumb lines; - correct answer A rhumb line is a regularly curved line on the earths surface that cuts all meridians at right angles. Define and identify, on a diagram of the earth: (d) parallels of latitude; - correct answer Parallels of lattitude are small circles (except the equator) that start at 0 deg at the equator and extend to 90 deg N at the north pole and 90 deg S at the south pole. Define and identify, on a diagram of the earth: (e) meridians of longitude; - correct answer All meridians of longitude are great circles that pass through the north and south poles as well as the centre of the earth. They start at 000 deg E/W at the prime meridian and travel to 180 deg E/W at the prime meridians anti-meridian. Define and identify, on a diagram of the earth: (f) Greenwich (Prime) Meridian. - correct answer The prime meridian is the meridian that runs through Greenwich and is located at 000 deg E/W. Define: (a) relative bearing; - correct answer A relative bearing is the bearing