In order to fix up the directions of the survey lines in the compass survey, the horizontal angle between the survey line and a fixed line of reference is measured. This fixed line reference is the magnetic meridian.

Related MCQs

• The horizontal angle between the true meridian and magnetic meridian at a place is called
• The horizontal angle between true meridian and magnetic meridian, is known
• The horizontal angle between the true meridian and magnetic meridian is known as
• When magnetic meridian is right side to true meridian, then Magnetic Declination is said to be _________
• When the magnetic declination is negative, the magnetic meridian is towards the west of true meridian.
• The horizontal angle between the true meridian and a survey line is called
• Due to the magnetic influence of the earth, the magnetic needle of the prismatic compass will be inclined downward towards the pole. This inclination of the needle with the horizontal is known as
• Which meridian direction can be established with the help of a magnetic compass?
• Survey lines must be as few as possible is the condition to be fulfilled by survey lines or survey stations.
• An angle measured clockwise from the proceeding survey line to the following survey line is called