A. azimuth
B. declination
C. local attraction
D. magnetic bearing
A. incorrect levelling of the magnetic needle
B. loss of magnetism of the needle
C. friction of the needle at the pivot
D. presence of magnetic substances near the instrument
A. give whole circle bearing (WCB. of a line and quadrantal bearing (QB. of a line respectively
B. both give QB of a line and WCB of a line
C. both give QB of a line
D. both give WCB of a line
A. eastern side of the true meridian
B. western side of the true meridian
C. southern side of the true meridian
D. none of the above
A. cross staff
B. level
C. chain
D. prismatic compass
A. 77° N
B. 23° S
C. 13° E
D. 13° W
1. are inverted
2. are upright
3. run clockwise having 0° at south
4. run clockwise having 0° at north
The correct answer is ?
A. (1) and (3)
B. (1) and (4)
C. (2) and (3)
D. (2) and (4)
A. transiting
B. reversing
C. plunging
D. swinging
A. to support the main part of the instrument
B. to attach the theodolite to the tripod
C. to provide a means for leveling the theodolite
D. none of the above
A. vertical circle is to its right and the bubble of the telescope is down
B. vertical circle is to its right and the bubble of the telescope is up
C. vertical circle is to its left and the bubble of the telescope is down
D. vertical circle is to its left and the bubble of the telescope is up