Local attraction in compass surveying may exist due to
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
Answer: Option D
Join The Discussion
Comments ( 1 )
Related Questions on Surveying
Which of the following methods of contouring is most suitable for a hilly terrain?
A. Direct method
B. Square method
C. Cross-sections method
D. Tachometric method
A. 750 mm × 900 mm
B. 600 mm × 750 mm
C. 450 mm × 600 mm
D. 300 mm × 450 mm
A. 22° 30'
B. 23° 27'
C. 23° 30'
D. 24° 0'
Slove plz