MCQs / Q&A

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

A. the magnetic needle moves with the box
B. the line of the sight does not move with the box
C. the magnetic needle and graduated circle do not move with the box
D. the graduated circle is fixed to the box and the magnetic needle always remains in the N-S direction

A. is lighter than chain
B. is easier to handle
C. is practically inextensible and is not liable to kinks when in use
D. can be easily repaired in the field

A. ±2 mm
B. ±3 mm
C. ±5 mm
D. ±8 mm

A. centre of one handle to centre of other handle
B. outside of one handle to outside of other handle
C. outside of one handle to inside of other handle
D. inside of one handle to inside of other handle