Civil Engineering - Surveying - Discussion
Discussion Forum : Surveying - Section 1 (Q.No. 33)
33.
True meridians are generally preferred to magnetic meridians because
Discussion:
17 comments Page 1 of 2.
Sameer sopori said:
7 years ago
True meridian: Geographic North pole and the south pole is the called the earth true meridian.
Magnetic meridian: The magnetic north pole and south pole direction is called Magnetic meridian.
THE MAGNETIC MERIDIAN CHANGES WITH TIME, so it not good to preferred in fieldwork.
The true meridian (geographic north-south pole direction) remains constant always.
So, the answer is "C".
Magnetic meridian: The magnetic north pole and south pole direction is called Magnetic meridian.
THE MAGNETIC MERIDIAN CHANGES WITH TIME, so it not good to preferred in fieldwork.
The true meridian (geographic north-south pole direction) remains constant always.
So, the answer is "C".
(4)
Ravi said:
9 years ago
According to me, the question should be.
True meridian are the line passing from north and south pole of the earth.
True meridian are the line passing from north and south pole of the earth.
Suresh Mandal said:
3 years ago
@All. Understand the question clearly.
It is asking why we refer to the true meridian over the magnetic meridian.
It is asking why we refer to the true meridian over the magnetic meridian.
(1)
Anonymous said:
9 years ago
True meridian doesn't change over time while the magnetic meridian change through time. Question is confusing.
Rock said:
7 years ago
@all.
The Question is True meridians are generally preferred, WHY?
Because they remain constant every time.
The Question is True meridians are generally preferred, WHY?
Because they remain constant every time.
Pranjal said:
8 years ago
True meridian remain constant, so readings also remain constant. So true meridian is preferred.
Ankit said:
9 years ago
True meridian also converges at a point, so what should be the right one?
Jeevan rathod said:
8 years ago
Magnetic bearing is constant and true meridian is clockwise variation.
(1)
Dipa said:
7 years ago
True meridian is constant but magnetic meridian is changes with time.
Gaurav said:
1 decade ago
As magnetic meridian change with time option must be B.
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