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. transiting
B. reversing
C. plunging
D. swinging
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. 77° N
B. 23° S
C. 13° E
D. 13° W
A. cross staff
B. level
C. chain
D. prismatic compass
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. 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. 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. azimuth
B. declination
C. local attraction
D. magnetic bearing
A. W23°30’N
B. N66°30’W
C. S113°30’N
D. N23°30’W