Surveying MCQ Questions & Answers | Civil Engineering

A. 1 : 10,000

B. 1 : 15,000

C. 1 : 20,000

D. 1 : 30,000

A. concave

B. convex

C. plano-convex

D. plano-concave

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. 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. One minute arc of the great circle passing through two points

B. One minute arc of the longitude

C. 1855.109 m

D. All the above